On June 6, Wing Wah Inc. purchased supplies on account for HK$80,000. On June 30, the company paid half of the balance due. The June 30 payment will （ ）

A、decrease Cash and increase Supplies Expense by HK$ 80,000.
B、increase Cash and decrease Accounts Receivable by HK$40,000.
C、decrease Cash and decrease Accounts Payable by HK$40,000.
D、decrease Supplies and increase Supplies Expense by HK$40,000.