diff --git a/lib/attendee.rb b/lib/attendee.rb
index 690e5c9..4fbaf8b 100644
--- a/lib/attendee.rb
+++ b/lib/attendee.rb
@@ -3,6 +3,10 @@ class Attendee
     
     def initialize(info)
         @name = info[:name]
-        @budget = info[:budget]
+        @budget = info[:budget].split("$")[1].to_i
+    end
+
+    def spend(cost)
+        @budget -= cost
     end
 end
\ No newline at end of file
diff --git a/lib/auction.rb b/lib/auction.rb
index 4d53f20..ad1ae3a 100644
--- a/lib/auction.rb
+++ b/lib/auction.rb
@@ -1,3 +1,5 @@
+require 'date'
+
 class Auction
     attr_reader :items
 
@@ -6,10 +8,106 @@ def initialize
     end
 
     def add_item(item)
-        @items.unshift(item)
+        @items << item
     end
 
     def item_names
-        raise NotImplementedError
+        @items.map do |item|
+            item.name
+        end
+    end
+
+    def unpopular_items
+        unpopular = @items.select do |item|
+            item.bids.empty?
+        end
+        unpopular
+    end
+
+    def potential_revenue
+        revenue = 0
+        @items.each do |item|
+            if !unpopular_items.include?(item)
+                revenue += item.current_high_bid
+            end
+        end
+        revenue
+    end
+
+    def bidders
+        bidders = list_bidder_objects
+        
+        return bidder_names = bidders.map do |bidder|
+            bidder.name
+        end
+    end
+
+    def bidder_info
+        bidder_info = {}
+        bidder_objects = list_bidder_objects
+
+        bidder_objects.each do |bidder|
+            @items.each do |item|
+                if item.bids.keys.include?(bidder)
+                    if !bidder_info.keys.include?(bidder)
+                        bidder_info[bidder] =  {budget: bidder.budget,
+                                                items: [item]}
+                    else
+                        bidder_info[bidder][:items] << item
+                    end
+                end
+            end
+        end
+        bidder_info
     end
+
+    # def date
+    #     Date.today.to_s
+    # end
+
+    def close_auction
+        sales = {}
+        @items.each do |item|
+            item.close_bidding # Close bidding on all items
+        
+            if item.bids.empty?
+                sales[item] = 'Not Sold'
+            else
+                item.bids.select do |bidder, bid|
+                    if bid == item.current_high_bid && can_afford(bidder, bid)
+                        sales[item] = bidder
+                    else 
+                        sales[item] = 'Not Sold'
+                    end
+                end
+            end
+        end
+        sales
+    end
+
+    # Helper Method that returns an array of the attendee objects that bid
+    def list_bidder_objects
+        bidder_objects = []
+
+        @items.each do |item|
+            item_bidders = item.bids.keys
+
+            item_bidders.each do |bidder|
+                if !bidder_objects.include?(bidder)
+                    bidder_objects << bidder
+                end
+            end
+        end
+        bidder_objects
+    end
+
+    def can_afford(bidder, bid)
+        if bidder.budget >= bid
+            bidder.spend(bid)
+            true
+        else
+            false
+        end
+    end
+
 end
\ No newline at end of file
diff --git a/lib/item.rb b/lib/item.rb
index e198fd3..faa62c3 100644
--- a/lib/item.rb
+++ b/lib/item.rb
@@ -1,7 +1,30 @@
-class Items
-    attr_reader :name
+class Item
+    attr_reader :name, :bids, :closed
      
     def initialize(name)
-        @name = "Chalkware Piggy Bank"
+        @name = name
+        @bids = {}
+        @closed = false
+    end
+
+    def add_bid(attendee, bid)
+        if @closed == false
+            bids[attendee] = bid
+        else
+            return "Bidding Closed!"
+        end
+    end
+
+    def current_high_bid
+        highest = @bids.max_by do |attendee, bid|
+            bid
+        end
+        highest[1]
+    end
+
+    def close_bidding
+        @closed = true
+
+        "Closed!"
     end
 end
\ No newline at end of file
diff --git a/spec/attendee_spec.rb b/spec/attendee_spec.rb
index 563506f..9e9e321 100644
--- a/spec/attendee_spec.rb
+++ b/spec/attendee_spec.rb
@@ -13,4 +13,9 @@
         expect(@attendee.name).to eq('Megan')
         expect(@attendee.budget).to eq(50)
     end
+
+    it 'can spend budget' do
+        @attendee.spend(22)
+        expect(@attendee.budget).to eq(28)
+    end
 end
\ No newline at end of file
diff --git a/spec/auction_spec.rb b/spec/auction_spec.rb
index 31d12e0..b95dd66 100644
--- a/spec/auction_spec.rb
+++ b/spec/auction_spec.rb
@@ -1,10 +1,18 @@
 require './lib/item'
+require './lib/attendee'
 require './lib/auction'
 
 RSpec.describe Auction do
     before(:each) do 
         @item1 = Item.new('Chalkware Piggy Bank')
         @item2 = Item.new('Bamboo Picture Frame')
+        @item3 = Item.new('Homemade Chocolate Chip Cookies')
+        @item4 = Item.new('2 Days Dogsitting')
+        @item5 = Item.new('Forever Stamps')
+
+        @attendee1 = Attendee.new({name: 'Megan', budget: '$50'})
+        @attendee2 = Attendee.new({name: 'Bob', budget: '$75'})
+        @attendee3 = Attendee.new({name: 'Mike', budget: '$100'})
         @auction = Auction.new
     end
 
@@ -29,4 +37,159 @@
 
         expect(@auction.item_names).to eq(["Chalkware Piggy Bank", "Bamboo Picture Frame"])
     end
+
+    # Iteration 2
+
+    describe "#unpopular/revenue" do
+        before(:each) do
+            @auction.add_item(@item1)
+            @auction.add_item(@item2)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+            @auction.add_item(@item5)
+        end
+
+        describe "#unpopular_items" do
+            it 'can return a list of unpopular items (no bids)' do
+                @item1.add_bid(@attendee2, 20)
+                @item1.add_bid(@attendee1, 22)
+                @item4.add_bid(@attendee3, 50)
+
+                expect(@auction.unpopular_items).to eq([@item2, @item3, @item5])
+
+                @item3.add_bid(@attendee2, 15)
+
+                expect(@auction.unpopular_items).to eq([@item2, @item5])
+            end
+        end
+
+        describe "#potential_revenue" do
+            it 'can calculate the auctions potential revenue' do
+                @item1.add_bid(@attendee2, 20) 
+                @item1.add_bid(@attendee1, 22) # Will only count highest bid
+                @item4.add_bid(@attendee3, 50)
+                @item3.add_bid(@attendee2, 15)
+
+                expect(@auction.potential_revenue).to eq(87)
+            end
+        end
+    end
+
+    # Iteration 3
+    describe "#bidders/bidder_info" do
+        before(:each) do
+            @auction.add_item(@item1)
+            @auction.add_item(@item2)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+            @auction.add_item(@item5)
+
+            @item1.add_bid(@attendee2, 20) 
+            @item1.add_bid(@attendee1, 22)
+            @item4.add_bid(@attendee3, 50)
+            @item3.add_bid(@attendee2, 15)
+            @item2.add_bid(@attendee1, 28)
+        end
+
+        describe "#bidders" do
+            it 'can return an Array of bidders names' do
+                expect(@auction.bidders).to eq(["Bob", "Megan", "Mike"])
+            end
+
+            describe "#list_bidder_objects" do
+                it 'can return a list of attendee objects that bid' do
+                    expect(@auction.list_bidder_objects).to eq([@attendee2, @attendee1, @attendee3])
+                end
+            end
+        end
+
+        describe "#bidder_info" do
+            it 'can return a hash of bidders info' do
+                expect(@auction.bidder_info).to eq({
+                    @attendee1 => {
+                        budget: 50,
+                        items: [@item1, @item2]
+                    },
+                    @attendee2 => {
+                        budget: 75,
+                        items: [@item1, @item3]
+                    },
+                    @attendee3 => {
+                        budget: 100,
+                        items: [@item4]
+                    }
+                })
+            end
+        end
+    end
+
+    # Iteration 4
+
+    # describe "#date" do
+    #     it 'can return the date of the auction' do
+    #         test_date = double("any date")
+
+    #         allow(test_date).to receive(:date).and_return("24/02/2020")
+    #         expect(@auction.date).to eq("24/02/2020")
+    #     end
+    # end
+
+    describe "#close_auction" do
+        before(:each) do
+            @auction.add_item(@item1)
+            @auction.add_item(@item2)
+            @auction.add_item(@item3)
+            @auction.add_item(@item4)
+            @auction.add_item(@item5)
+
+            @item1.add_bid(@attendee2, 20) 
+            @item1.add_bid(@attendee1, 22)
+            @item4.add_bid(@attendee3, 50)
+            @item3.add_bid(@attendee2, 15)
+            @item2.add_bid(@attendee1, 28)
+        end
+
+        it 'can close bidding on all items' do
+            @auction.close_auction
+
+            expect(@item1.closed).to eq true
+            expect(@item2.closed).to eq true
+            expect(@item3.closed).to eq true
+            expect(@item4.closed).to eq true
+            expect(@item5.closed).to eq true
+        end
+
+        it 'can return a hash of sold items' do
+            expect(@auction.close_auction).to eq({
+                @item1 => @attendee1,
+                @item2 => @attendee1,
+                @item3 => @attendee2,
+                @item4 => @attendee3,
+                @item5 => 'Not Sold'
+            })
+        end
+
+        it 'can only sell items if an attendee can afford the bid' do
+            @item5.add_bid(@attendee1, 15)
+
+            expect(@auction.close_auction).to eq({
+                @item1 => @attendee1,
+                @item2 => @attendee1,
+                @item3 => @attendee2,
+                @item4 => @attendee3,
+                @item5 => 'Not Sold'
+            })
+        end
+
+        # helper method to determine if an attendee can afford the bid
+        describe "#can_afford" do
+            it 'can determine if an attendee can afford a bid' do    
+                expect(@auction.can_afford(@attendee1, 22)).to be true
+                expect(@auction.can_afford(@attendee1, 28)).to be true
+        
+                @item5.add_bid(@attendee1, 15)
+                expect(@auction.can_afford(@attendee1, 15)).to be false
+            end
+        end
+    end
 end
\ No newline at end of file
diff --git a/spec/item_spec.rb b/spec/item_spec.rb
index 4073cc4..a4d6a47 100644
--- a/spec/item_spec.rb
+++ b/spec/item_spec.rb
@@ -1,9 +1,14 @@
 require './lib/item'
+require './lib/attendee'
 
 RSpec.describe Item do 
     before(:each) do
         @item1 = Item.new('Chalkware Piggy Bank')
         @item2 = Item.new('Bamboo Picture Frame')
+
+        @attendee1 = Attendee.new({name: 'Megan', budget: '$50'})
+        @attendee2 = Attendee.new({name: 'Bob', budget: '$75'})
+        @attendee3 = Attendee.new({name: 'Mike', budget: '$100'})
     end
 
     it 'exists' do
@@ -14,4 +19,52 @@
         expect(@item1.name).to eq("Chalkware Piggy Bank")
         expect(@item2.name).to eq("Bamboo Picture Frame")
     end
+
+    # Iteration 2
+    
+    it 'has a list of bids defaulted to an empty hash' do
+        expect(@item1.bids).to eq({})
+    end
+
+    it 'can be bid on' do
+        expect(@item1.bids).to eq({})
+
+        @item1.add_bid(@attendee2, 20)
+        @item1.add_bid(@attendee1, 22)
+
+        expect(@item1.bids).to eq({
+            @attendee2 => 20,
+            @attendee1 => 22
+        })
+    end
+
+    it 'can determine the current highest bid' do
+        @item1.add_bid(@attendee2, 20)
+        @item1.add_bid(@attendee1, 22)
+        
+        expect(@item1.current_high_bid).to eq(22)
+    end
+
+    # Iteration 3
+    describe "#close_bidding" do
+        before(:each) do
+            @item1.add_bid(@attendee2, 20)
+            @item1.add_bid(@attendee1, 22)
+        end
+
+        it 'has a closed attribute defaulted to false' do
+            expect(@item1.closed).to be false
+        end
+
+        it 'can close bidding' do
+            expect(@item1.close_bidding).to eq("Closed!")
+            expect(@item1.closed).to be true
+        end
+
+        it 'can no longer accept new bids after closed' do
+            @item1.close_bidding
+
+            expect(@item1.add_bid(@attendee3, 24)).to eq("Bidding Closed!")
+        end
+    end
 end
\ No newline at end of file