please help me with C thanks

CALCULATOR FULL SCREEN PRINTER VERSION BACK NEXT Problem 11-4 (Part Level Submission) Mary Willis is the advertising manager for Ayayai Shoe Store. She is currently working on a major promotional campaign. Her ideas indude the installation of a new lighting system and increased display space that will add $19,000 in fixed costs to the $128,000 currently spent. In addition, Mary is proposing that a 5 % price decrease ($20 to $19) will produce a 20% increase in sales volume (20,000 to 24,000). Variable costs will remain at $12 per pair of shoes. Management is impressed with Mary's ideas but concerned about the effects that these changes will have on the break-even point and the margin of safety. (a) Your answer is correct. Compute the current break-even point in units, and compare it to the break-even point in units if Mary's ideas are used. (Round answers to 0 decimal places, e.g. 1,225., Current break-even point 16000 pairs of shoes New break-even point 21000 pairs of shoes SHOW SOLUTION (b) art Your answer is correct. t Compute the margin of safety ratio for current operations and after Mary's changes are introduced. (Round answers to 0 decimal places, e.g. 15 %.) cal rt Current margin of safety ratio 20 % New margin of safety ratio 12 % Study (c) Prepare a CVP income statement for current operations and after Mary's changes are introduced. AYAYAI SHOE STORE CVP Income Statement Current New $ $ udy $ Would you make the changes suggested