At the beginning of July, CD City has a balance in inventory of $2,600. The following transactions occur during the month of July. July 3 Purchase CDs on account from Wholesale Music for $1,500, terms 1/10,n/30. July 4 Pay cash for freight charges related to the July 3 purchase from Wholesale Music, $110. July 9 Return incorrectly ordered CDs to Wholesale Music and receive credit, $200. July 11 Pay Wholesale Music in full. July 12 Sell CDs to customers on account, $4,200, that had a cost of $2,200. July 15 Receive full payment from customers related to the sale on July 12. July 18 Purchase CDs on account from Music Supply for $2,300, terms 1/10,n/30. July 22 Sell CDs to customers for cash, $3,400, that had a cost of $1,700. July 28 Return CDs to Music Supply and receive credit of $140. July 30 Pay Music Supply in full. Required: 1. Assuming that CD City uses a perpetual inventory system, record the transactions. 2. Prepare the top section of the multiple-step income statement through gross profit for the month of July