Given the following database schema:

Products $($ProductID$,$ ProductName, CategoryID$)$

Categories $($CategoryID$,$ CategoryName$)$

Sales $($SaleID$,$ ProductID, SaleDate, Quantity, SaleAmount$)$

Customers $($CustomerID$,$ CustomerName$)$

Orders $($OrderID$,$ CustomerID, OrderDate$)$

which relational algebra expression returns the total sales for each product

category in the year $2023?$

Products$)$Products$.$CategoryID$=$Categories.CategoryID Categories$))$

b$.$ mProductName,TotalSales$-$SUM$($SaleAmount$)($oYEAR$($SaleDate$)=2023($Sales$$Sales$.$ProductID$=$Products.ProductID Products$))$

c$.$ none of these

Products$)$Products$.$CategoryID$=$Categories.CategoryID Categories$))$