Journalize the following transactions for Luna's Wholesale, Inc., that occurred during the month of September. Luna's Wholesale, Inc.'s cost of inventory is 45 percent of the sales price.

Sep 3 Sold $1,600 of merchandise on account, terms 2/15, n/45, FOB shipping point. Luna's Wholesale, Inc., prepaid $50 of shipping costs and added the amount to the customers invoice.

7 Issued a credit memo to the customer acknowledging the return of $100 of unwanted goods.

16 Received payment in full from the customer for the September 3 invoice.