40 A company assembles two products: A and B. Product A sells for $11 per unit, and product B sells for $23 per unit.

A unit of product A requires 2 hours on assembly line 1 and 1 unit of raw material. A unit of product B requires 2 units of raw material, 1 unit of A, and 2 hours on line 2. For line 1, 1,300 hours of time are available and 500 hours of time are available on line 2. A unit of raw material may be bought

(for $5 a unit) or produced (at no cost) by using 2 hours of time on line 1. Determine how to maximize profit.