Function call in expression: Reduced pricing

Write a single statement that assigns totalCost with the discounted cost of item $1$ and item $2.$ Use the provided function DiscountedPrice

to determine the discounted cost of each item:

function saleItemCost $=$ DiscountedPrice$($originalItemCost$,$ discountedRate$)$

$\%$ originalItemCost: Original cost of an item in dollars

$\%$ discountedRate: Discount rate as a decimal value

saleItemCost $=$ originalItemCost discountedRate