The following merchandise transactions occurred in December. Both companies use a perpetual inventory system Dec 3 7 8 Riverbed Ltd. sold goods to Concord Corp. for $85,600, terms 15,FOB shipping point. The inventory had cost Riverbed $45,600. Riverbed's management expected areturn rate of 39 based on prior experience. Shipping costs of $1.200 were paid by the appropriate company Concord returned unwanted merchandise to Riverbed. The rearned merchandise has a sales price of $2.540, and a cost of $1.400. It was restored to inventory Riverbed received the balance due from Concord 11