with explanation please

7. Answer this question ignoring #6 above: Bettinghaus had a Supplies Inventory account with a balance of $10,000 at the beginning of the year (1/1/19). During the year, $4,000 of supplies were acquired. At the time of purchase the Cash Account was credited for $4,000 and the Supplies Expense account was debited for $4,000. An examination of the Supplies Inventory at year-end (12/31/19) indicates that $8,000 of supplies are still on hand. Debit Credit