18! I need the answer and explanation! thank you

A firm reports Cost of Goods Sold (COGS) of $3,392,764.00. The firm also reports net sales of $3,989,121.00. What is the gross profit margin for this firm? Answer format: Percentage Round to: 2 decimal places (Example: 9.24\%, \% sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924)) An entrepreneur recently purchased Cocoon's, a local deli, on the beach. To operate the business, she estimates that selling and administrative expenses will be $91,350.00 per year and that depreciation will be $20,000.00 per year. As part of her purchase, she took out a bank loan that will require $85,820.00 per year in interest. She anticipates paying a 31.00% tax rate on income. She estimates that the deli will attract 200.00 customers per day. Each customer will spend $12.00 on average. The cost of goods per customer will be $4.50. She will operate the deli 350.00 days per year. What is the projected gross profit margin for the deli? Answer format: Percentage Round to: 2 decimal places (Example: 9.24\%, \% sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924)) An entrepreneur recently purchased Cocoon's, a local deli, on the beach. To operate the business, she estimates that selling and administrative expenses will be $91,350.00 per year and that depreciation will be $20,000.00 per year. As part of her purchase, she took out a bank loan that will require $85,820.00 per year in interest. She anticipates paying a 31.00\% tax rate on income. She estimates that the deli will attract 200.00 customers per day. Each customer will spend $12.00 on average. The cost of goods per customer will be $4.50. She will operate the deli 350.00 days per year. What is the projected operating profit margin for the deli? Answer format: Percentage Round to: 2 decimal places (Example: 9.24\%, \% sign required. Will accept decimal format rounded to 4 decimal places (ex: 0.0924))