OS 5-4 Recording purchases--perpetual system P1 Preparo journal entries to record each of the following purchases transactions of a merchandising company. Show supporting calculations and assunto a perpetual inventory system Nov. 5 Purchased 600 units of product at a cost of $10 per unit. Terms of the sale are 2/10, 1/60; the invoice is dated November 5. Nov. 7 Returned 25 defective units from the November 5 purchase and received full credit Nov. 15 Paid the amount due from the November 5 purchase, less the return on November 7