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 $0.4 per cassette. Selling price of per cassette is $6 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