Corrine Auto Sold Merchandise to a Customer for $3,000 on Credit

Corrine Auto sold merchandise to a customer for $3,000 on credit on July 10.The customer paid Corrine Auto the amount due on July 31.Under the accrual basis of accounting,which of the following statements is true?

A) Corrine Auto will recognize the revenue on July 31.
B) The July 10th transaction increases revenue,but has no effect on assets because cash has not been received.
C) Revenue is recognized after the cost of the merchandise sold has been paid by Corrine Auto.
D) The July 31st transaction has no effect on total assets under the accrual basis.