If the same person orders supplies, verifies receipt of the supplies, and pays the supplier, which of the following is a possible negative result?
a. the quantity and quality of supplies received may not be verified, thus causing the company to pay for supplies not received or for poor-quality supplies.
b. orders may be placed on the basis of friendship rather than on price, quality, and quantity of supplies.
c. supplies may be stolen by employees.
d. all of these choices are correct.