Yansheng Market’s chart of accounts includes the following selected accounts.

101 Cash ..............................................................................401 Sales Revenue
112 Accounts Receivable .................................................414 Sales Discounts
120 Inventory ..............................................................505 Cost of Goods Sold
301 Owner’s Capital

On April 1, the accounts receivable ledger of Yansheng Market showed the following balances (amounts in thousands): Lau HK$1,550, Gong HK$1,200, Chan Co. HK$2,900, and Chiu-Wai HK$2,200. The April transactions involving the receipt of cash were as follows.
Apr. 1 The owner, T. Kozma, invested additional cash in the business HK$7,200.
        4 Received check for payment of account from Chiu-Wai less 2% cash discount.
        5 Received check for HK$920 in payment of invoice no. 307 from Chan Co.
        8 Made cash sales of merchandise totaling HK$7,245. The cost of the merchandise sold was HK$4,347.
        10 Received check for HK$600 in payment of invoice no. 309 from Lau.
        11 Received cash refund from a supplier for damaged merchandise HK$740.
        23 Received check for HK$1,000 in payment of invoice no. 310 from Chan Co.
        29 Received check for payment of account from Gong (no cash discount allowed).

Instructions
a. Journalize the transactions above in a six-column cash receipts journal with columns for Cash Dr., Sales Discounts Dr., Accounts Receivable Cr., Sales Revenue Cr., Other Accounts Cr., and Cost of Goods Sold Dr./Inventory Cr. Foot and cross-foot the journal.
b. Insert the beginning balances in the Accounts Receivable control and subsidiary accounts, and post the April transactions to these accounts.
c. Prove the agreement of the control account and subsidiary account balances.