1. Asset accounts and liability accounts are increased by. and respectively. a. debits; debits b. credits; credits c. debits; credits d. credits; debits 2. Revenue accounts and expense accounts are increased by a. debits; debits b. credits; credits c. debits; credits d. credits; debits _ and, respectively. 3. Purchasing supplies on account, a(n). account. a. decreases; asset b. increases; revenue c. decreases; expense d. increases; liability