Which of the following are accurate representations concerning revenue recognition?

I. Revenue from services rendered is recognized when cash is received or when services have been performed.

II. Revenue from selling products is recognized at the date of sale, usually interpreted to mean the date of delivery to customers.

III. Revenue from permitting others to use enterprise assets is recognized as time passes or as the assets are used.

IV. Revenue from disposing of assets other than products is recognized at the date of sale.

a. I, II, III and IV.

b. II, III, and IV.

c. I, II, and IV.

d. I, II, and III.