Purchase-Related Transactions Showcase Co., a furniture wholesaler, sells merchandise to Balboa Co. on account, 5254,500, terms n/30. The cost of the merchandise so dis 5152,700. Showcase Co. issues a credit memo for $30,000 as a price adjustment prior to Balboa Co. paying the original invoice. a. Journalize Balboa Co.'s entry for the purchase. If an amount box does not require an entry, leave it blank. b. Journalize Balboa Co.'s entry for the credit memo. If an amount box does not require an entry, leave it blank. C. Journalize Balboa Co.'s entry for the payment of the invoce. If an amount box does not require an entry, leave it blank