Zebra 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. assets increase by $6,000 and revenues increase by $6,000.
b. total assets decrease by $6,000.
c. total assets increase by $6,000.
d. the net effect on assets is zero.