A company began the year with $1,000 of supplies, as shown in their Supplies account. $800 more supplies were bought during the year and charged (debited) to the Supplies account. At the end of the year, only $600 of supplies were still on hand. The entry to adjust the supplies account for supplies used would be: a. debit Supplies Expense and credit Supplies for $1800. b. debit Supplies and credit Supplies Expense for $600. c. debit Supplies Expense and credit Supplies for $200. d. debit Supplies Expense and credit Supplies for $1200