A manufacturer of cassette tapes expects a fixed cost of $55,000. It plans to work on margin of forty six percent of retail, and to incur other variable cost of S0.4 per cassette. Selling price of per cassette is 56 dollar. i. Find the revenue, cost, and profit functions using a for number of cassettes. ii. How much profit will be earned if 25000 cassettes are produced? iii. Construct the break-even chart. Label the cost & revenue lines, the fixed cost line and the break-even point