Selected information for four different companies is listed in the following table.

Required:
(a) Calculate the contribution margin and contribution margin ratio for each company.
(b) Determine the break-even point for each company.
(c) Determine the number of units that must be sold to earn the desired profit for each company.

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Revenue Variable Cost Desired Company per Unit per Unit Fixed Cost Pretax Profit A $75.00 38.25 $678,037.50 $155,452.50 720,000.00 196,000.00 240,000.00 46,860.00 84,993.48 90,038.52 60.00 12.50 41.25 40.00 9.50 15.51