If the supplies account indicated a balance of $2,250 before adjustment on May 31 and supplies on hand at May 31 totaled $950, the adjustment would be: Increase Supplies, $950; decrease Supplies Expense, $950. Increase Supplies, $1,300; decrease Supplies Expense, $1,300 Increase Supplies Expense, $950; decrease Supplies $950 Increase Supplies Expense, $1,300; decrease Supplies $1,300