Purchase-Related Transactions Journalize entries for the following related transactions of Greenville Heating \& Air Company: If an amount box does not require an entry, leave it blank. a. Purchased $48,000 of merchandise from Foster Co. on account, terms 2/10,n/30. b. Paid the amount owed on the invoice within the discount period. c. Discovered that $9,600 of the merchandise purchased in (a) was defective and returned items, receiving credit for $9,408 [ $9,600($9,6002%)] d. Purchased $7,600 of merchandise from Foster Co. on account, terms n/30. e. Received a refund from Foster Co. for return in (c) less the purchase in (d)