If merchandise is sold on account to a customer for \(\$ 1,000\), terms FOB shipping point, \(1 / 10, \mathrm{n} / 30\), and the seller prepays \(\$ 50\) in transportation costs, the amount of the discount for early payment would be:

A. \(\$ 0\).

B. \(\$ 5.00\).

C. \(\$ 10.00\).

D. \(\$ 10.50\).