Merlot Manufacturing Ltd makes three different products, the details of which are as follows: Product (code name) 167X 325Y 742Z Selling price per unit () 40. 30 28 Variable cost per unit () 15 18 14 Weekly demand (units) 45 50 20 Skilled labour time per unit (hours) 5 3 2 Skilled labour time is limited to 200 hours a week. Which combination of products should be manufactured if the business is to produce the highest profit? Show your answer by filling out the table below. (Round up your answer to the nearest whole number.) units of product 167X units of product 325Y units of product 742Z