Chen Company uses a two-column sales journal and a six-column cash receipts journal. For each of the following transactions, indicate (a) the journal, and (b) the columns in the journal that should be used in recording each transaction.
1. Received cash from sale of merchandise.
2. Sold merchandise on credit.
3. Received a check from customer in payment of an invoice less a 2% discount.
4. Owner made an investment in the business.