Andrea's Fashions sold merchandise for $57,000 cash during the month of July. Returns that month totaled $1,200. If the company's gross profit rate is 40%, Andrea's will report monthly net sales revenue and cost of goods sold of:
a. $57,000 and $34,200.
b. $55,800 and $22,320.
c. $55,800 and $33,480.
d. $57,000 and $33,480.