Would someone explain how can get those answers? Thanks!

5. A BASIC CUSTOMER PROFITABILITY REPORT. Using the following information, determine which customer is more profitable to serve. Calculate both total profit and profit percentage (of revenue) for each customer. Line Item Revenue Cost of goods sold Order processing Order shipmernt ales support Customer A Customer B Customer C $10,000.00 $5,000.00 $750.00 $500.00 $250.00 $15,000.00 $8,250.00 $1,250.00 $1,000.00 $500.00 $20,000.00 $12,000.00 $1,500.00 $2,000.00 $1,000.00