please solve asap

Question No 5. Solve the following: ( 20 Marks- 5 marks each ) A) When output is 100 units, the firm s total fixed cost is $500. What will this firm s total fixed cost be if output doubles to 200 units? a. $125 b. $1,000 c. $500 d. $750 e. $250 B) The fixed costs per unit are $20 when a company produces 20,000 units of product. What are the fixed costs per unit when 15,000 units are produced? a. \$26.67. b. $20.00. c. $15.00. d. \$14.17. e. \$11.67. C) Total costs are $210,000 when 15,000 units are produced; of this amount, variable costs are $68,000. What are the total costs when 21,000 units are produced? a. $237,200. b. $266,800. c. $294,000. d. None of these