Rocky Mount Limited purchased supplies totalling $1,200 during the year and recorded a debit to Supplies and a credit to Accounts Payable at the time of purchase. At the end of the year, $650 of supplies were on hand. The adjusting journal entry at year-end would consist of

a credit to Supplies for $550 and a debit to Supplies Expense for $550.

a debit to Supplies for $650 and a credit to Supplies Expense for $650.

a debit to Supplies Expense for $650 and a credit to Supplies for $650.

a debit to Supplies for $550 and a credit to Supplies Expense for $550.