Please also provide formula and solution

Mo's Delicious Burgers Inc. sells food to university cafeterias for $47 a box. The fixed costs of this operation are $275,100, while the variable cost per box is $26. a. What is the break-even point in boxes? (Do not round intermediate calculations.) Break-even point boxes b. Calculate the profit or loss on 11,000 boxes and 22,000 boxes. (Do not round intermediate calculations. Input all answers as positive values.) Amount Boxes 11,000 22,000 Profit/Loss (Click to select) (Click to select) C-1. What is the DOL at 15,400 boxes and 26,000 boxes? (Round the final answers to 2 decimal places.) Boxes 15,400 26,000 c-2. Not available in Connect. d. If the firm has an annual interest payment of $11,600, calculate the DFL at both 15,400 and 26,000 boxes. (Round the final answers to 2 decimal places.) DEL Boxes 15,400 26,000 e. What is the DCL at both sales levels? (Round the final answers to 2 decimal places.) DCL Boxes 15,400 26,000