Content AreaZebra Co. received $6,000 in payments from clients for services billed in a previous month. What effect does this transaction have on Zebra's accounting equation elements under the accrual basis of accounting? a. The net effect on assets is zero. b. Total assets decrease by $6,000. c. Total assets increase by $6,000. d. Assets increase by $6,000 and revenues increase by $6,000