Choose the One Alternative That Best Completes the Statement or Answers

Multiple Choice

Choose the one alternative that best completes the statement or answers the question.
-How long will it take for prices in the economy to double at a $13 \%$ annual inflation rate?

A) $8.99 \mathrm { yr }$
B) $5.67 \mathrm { yr }$
C) $5.29 \mathrm { yr }$
D) $23.45 \mathrm { yr }$