Show your work. On November 1, 20x7, Pemberley Company issued 300, $1,000, ten-year, 7% bonds at 97. The bonds were dated November 1, 20x7 and the interest is payable each November 1 and May 1. The amount of bond discount amortization at each semi-annual interest date would be (assume straight-line amortization):

(a) $50

(b) $100

(c) $600

(d) $450

(e) None of the above