The principle that (1) requires revenue to be recognized at the time it is earned, (2) allows the inflow of assets associated with revenue to be in a form other than cash and (3) measures the amount of revenue as the cash plus the cash equivalent value of any non-cash assets received from customers in exchange for goods or services is called the:
a) Going-concern principle
b) Cost principle
c) Revenue recognition principle
d) Objectivity principle
e) Business entity principle