Journalize the following transactions for Roberts Company using the gross methed of acceunting for sales discounts. Assume a perpetual irivertory system, Aiso, assume a constant gross profit ratio for all items sold. Make sure to enter the day for each separate transaction. September 9 Sold poods costing 57,200 to Cooper Company on account, 112,000 , terms 2/10, n/30. September 15 Cooper Compeny was granted an allowante of $1,200 for returned merchandide that was previously purchased on account. The returned goods are damaged and have no scrap value. September 19 Received the amount due from Cooper Compuny