show the workings

PEAK Chair snowboards sells snowboards for $39 a unit. The fixed costs of this operation are $212,500, while the variable cost per unit is $22. a. What is the break-even point in units? (Do not round intermediate calculations.) Break-even point units b. Calculate the profit or loss on 15,000 units and 30,000 units. (Do not round intermediate calculations. Input all answers as positive values.) Boxes 15,000 30,000 Profit/Loss (Click to select) (Click to select) Amount $ $ C-1. What is the DOL at 21,000 units and 30,000 units? (Round the final answers to 2 decimal places.) DOL Boxes 21,000 30,000 X c-2. Not available in Connect. d. If the firm has an annual interest payment of $11,200, calculate the DFL at both 21,000 and 30,000 units. (Round the final answers to 2 decimal places.) DFL Boxes 21,000 30,000 e. What is the DCL at both sales levels? (Round the final answers to 2 decimal places.) DCL Boxes 21,000 30,000