company began the month with 500 in supplies account. 700 more supplies were bought during the month and were added to the account. throughout the month the account was not updated when the supplies were used. at the end of the month only 400 supplies were left. 1 debit supplies expense and credit supplies for 400 2 debit supplies expense and credit supplies for 800 3 debit supplies and credit supplies expense for 400 4 debit supplies and credit supplies expense for 800