Fix price calculation issue my jetpack (#35492)

* Fix Price calculation issue on My Jetpack

* changelog

* Update project version

* update version numbers

projects/packages/my-jetpack/_inc/components/product-detail-table/index.jsx

@@ -74,9 +74,9 @@ const ProductDetailTableColumn = ( {
 	}, [ trackProductButtonClick, onProductButtonClick, runCheckout, detail, tier ] );
 
 	// Compute the price per month.
-	const price = fullPrice ? Math.ceil( ( fullPrice / 12 ) * 100 ) / 100 : null;
+	const price = fullPrice ? Math.round( ( fullPrice / 12 ) * 100 ) / 100 : null;
 	const offPrice = introductoryOffer?.costPerInterval
-		? Math.ceil( ( introductoryOffer.costPerInterval / 12 ) * 100 ) / 100
+		? Math.round( ( introductoryOffer.costPerInterval / 12 ) * 100 ) / 100
 		: null;
 
 	const isOneMonthOffer =

projects/packages/my-jetpack/_inc/state/selectors.js

@@ -38,12 +38,12 @@ export const getProduct = ( state, productId ) => {
 
 	product.pricingForUi.fullPricePerMonth =
 		product.pricingForUi.productTerm === 'year'
-			? Math.ceil( ( product.pricingForUi.fullPrice / 12 ) * 100 ) / 100
+			? Math.round( ( product.pricingForUi.fullPrice / 12 ) * 100 ) / 100
 			: product.pricingForUi.fullPrice;
 
 	product.pricingForUi.discountPricePerMonth =
 		product.pricingForUi.productTerm === 'year'
-			? Math.ceil( ( product.pricingForUi.discountPrice / 12 ) * 100 ) / 100
+			? Math.round( ( product.pricingForUi.discountPrice / 12 ) * 100 ) / 100
 			: product.pricingForUi.discountPrice;
 
 	return product;

projects/packages/my-jetpack/changelog/fix-price-calculation-issue-my-jetpack

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fixed
+
+Fixes issue on My Jetpack interstitials where some prices are 1 cent off