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 $27,200 300 condition), for cash refund (original cost of merchandise $180). c. Sold merchandise (costing $3,325) to a customer, on account with terms 2/10, n/30. d. Collected half of the balance owed by the customer in (c) within the discount period. e. Granted a partial allowance relating to credit sales that the customer in (c) had not yet 7,000 3,430 112 paid