if someone could explain how to get the answer please

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: a. Sold merchandise for cash (cost of merchandise $16,797). b. Received merchandise returned by customers as unsatisfactory (but in perfect condition) for cash refund (original cost of merchandise $180. c. Sold merchandise (costing $3,325) to a customer on account with terms n/60. 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. $27,200 300 7,000 3,500 112 4. Hair World is considering a contract to sell merchandise to a hair salon chain for $12,000. This merchandise will cost Hair World $8,560. 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.) Gross Profit by Gross Profit Percentage % to Next >