6. The unadjusted account balance show Supplies $1,350 and Supplies Expense $0. If $600 of supplies are on hand at the end of the period, the adjustment: A. Increases Supplies $600 and increases Supplies Expense $600 B. Increases Supplies $750 and increases Supplies Expense $750 C. Increases Supplies Expense $750 and decreases Supplies $750 D. Increases Supplies Expense $600 and decreases Supplies $600