Find the APR (Rounded to the Nearest Percent) for the Loan

Multiple Choice

Find the APR (rounded to the nearest percent) for the loan below. Purchased a dining room set for $4,000 at 9% add-on interest for 2 years.

A) $18 \%$
B) $15 \%$
C) $17 \%$
D) $12 \%$
E) $5 \%$