30 Prepare journal entries to record each of the following transactions of a merchandising company. The company uses a perpetual inventory system and the gross method. November 5 Purchased 900 units of product at a cost of $10 per unit. Terms of the sale are 4/10, n/60; the invoice: is dated November 5. November 7 Returned 35 defective units from the November 5 purchase and received full credit. November 15 Paid the amount due from the November 5 purchase, minus the return on November 7.