Record the above transactions in the books of Riverbed. (List all debit entries before credit entries. Credit account titles are automatically indented when the amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the occount titles and enter 0 for the amounts. Round answers to the nearest whole dollar, eg. 5,275.) Dec 7 . No Entry. No Entry Deci. 8 ret 1000 Accounts Receivable 100 (To record return of goods) Dec. 8 Irventory 1000 Cost of Goods Sold 10 (To record cost of merchandise returned) Dec 11 Cash 58600 Accounts Receivable 5866 The following merchandise transactions occurred in December. Both companies use a perpetual inventory system. Dec. 3 Riverbed Ltd. sold goods to Concord Corp. for $59,600, terms n/15, FOB shipping point. The inventory had cost Riverbed $31,600. Riverbed's management expected a return rate of 3% based on prior experience. 7 Shipping costs of $800 were paid by the appropriate company. 8 Concord returned unwanted merchandise to Riverbed. The returned merchandise has a sales price of $1,840, and a cost of \$1,000. It was restored to inventory. 11 Riverbed received the balance due from Concord