Q2. 5 marks A manufacturer of face shields wants to decide whether to set up a new production site or a fixed cost of $ 20, 030 plus a variable cost of 50 d per face shield. Each face shield sells for $3.50 and the largest number of face shields that can be produced is 8020. a) what is the cost function ((a) in dollars? ( ) what is the revenue function R(x) in dollars ? () What is the profit punchon P(a)? d ) what is the break-even point ? ( ) should that manufacturer set up the site