When is income considered to be earned by an accrual-basis taxpayer?

A. Income is considered to be earned by an accrual-basis taxpayer when all the events have occurred which fix the right to receive the income and the amount of income can be determined with reasonable accuracy.

B. An accrual-basis taxpayer earns income when title has transferred and all payments are received.

C. An accrual-basis taxpayer earns income when all payments for services or products are received and the amount of income can be determined with reasonable accuracy.

D. Income is considered to be earned by an accrual-basis taxpayer when all services have been rendered whether or not the amount of income can be determined with reasonable accuracy.