can someone explain i trued everything

Required information (The following information applies to the questions displayed below) Hair World Inc. is a wholesaler of hair supplies. Hair World uses a perpetual Inventory system. The following transactions (summarized) have been selected for analysis: $83,200 a. Sold merchandise for cash (cost of merchandise $44,797). b. Received merchandise returned by custoners as unsatisfactory (but in perfect condition) for cash refund (original cost of merchandise $600 ). c. Sold merchandise (costing $8,550 ) to a customer on account with terns n/68. d. Collected half of the balance owed by the customer in (c). e. Granted a partial allowance relating to credit sales the customer in (c) had not yet paid. 1,000 18,000 9,000 288 - Compute Net Sales and Gross Profit for Hair World. Net Sales Gross Profit Compute the gross profit percentage. (Round your answer to 1 decimal place. Gross Profit Percentage % 4. Hair World is considering a contract to sell merchandise to a hair salon chain for $23,000. This merchandise will cost Hair World $13,840. What would be the increase (or decrease) to Hair World's gross profit and gross profit percentage? (Round "Gross Profit Percentage" to 1 decimal place.) by Gross Profit Gross Profit Percentago % to