The receipt of a prepayment of cash from a customer is originally recorded as a liability. Later, at the end of the accounting period, an adjustment is recorded causing a(n) in the liability account and a(n) in the revenue account. increase: increase increase: decrease decrease; decrease decrease, increase The adjustment for supplies used during the period will result in a debit to the account and a credit to the account. Supplies Expense; Supplies Inventory: Cost of Goods Sold Supplies; Supplies Expense Cost of Goods Sold; Revenue