A company purchased $4,100 worth of merchandise. Transportation costs were an additional $360. The company later returned $280 worth of merchandise and paid the invoice within the 2% cash discount period. The total amount paid for this merchandise is:

a) $4,020.00.

b) $3,930.00.

c) $4,098.00.

d) $4,103.60.

e) $4,180.00.