Karami Company purchased supplies costing $6,000 and debited Supplies for the full amount. At the end of the accounting period, a physical count of supplies revealed $1,800 still on hand. The appropriate adjusting journal entry to be made at the end of the period would be? a. Debit Supplies, $1,800; Credit Supplies Expense, $1,800 b. Debit Supplies, $4,200; Credit Supplies Expense, $4,200 C. Debit Supplies Expense, $1,800; Credit Supplies, $1,800 d. Debit Supplies Expense, $4,200; Credit Supplies, $4,200