A loan company dropped the interest rate it charges on second mortgages from 8.7% to 7.3%. What percent reduction did

A loan company dropped the interest rate it charges on second mortgages from 8.7% to 7.3%. What percent reduction did this represent?
A) 1.4%
B) 19.2%
C) 16.1%
D) 14%
E) 15.6%