X Company is concerned that it does not have enough employees to ensure adequate segregation of duties in its revenue cycle. Which of the following may be performed by the same individual?

A. Approving sales and delivering the inventory from the storage area to the shipping area.
B. Opening the mail and reconciling the perpetual inventory records to the physical count.
C. Opening the mail and recording entries in the sales journal.
D. Recording entries in the sales journal and delivering inventory from the storage area to the shipping area.