Prepare journal entries to record each of the following sales transactions of a merchandising company. assume a perpetual inventory system. apr. 1 sold merchandise for $5,600, granting the customer terms of 5/10, eom; invoice dated april 1. the cost of the merchandise is $3,360. apr. 4 the customer in the april 1 sale returned merchandise and received credit for $640. the merchandise, which had cost $384, is returned to inventory. apr. 11 received payment for the amount due from the april 1 sale less the return on april 4.