Accrual basis accounting differs from cash basis accounting in that accrual basis accounting records ______. (Select all that apply.)

a. Revenues in the period when the revenue is earned, even though the cash has not yet been collected.
b. Expenses in the period incurred, even though cash has not yet been paid
c. Revenues in the period when the revenue is earned, when the cash has been collected.
d. Expenses in the period incurred, when the cash has been paid