Write the Word or Phrase That Best Completes Each Statement $\mathrm { A } ( \mathrm { t } ) = 100 \mathrm { e } ^ { 0.024 \mathrm { t } }$

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
-A certain country's Consumer Price Index is approximated by $\mathrm { A } ( \mathrm { t } ) = 100 \mathrm { e } ^ { 0.024 \mathrm { t } }$ , where $t$ represents the number of years. Use the function to determine the year in which costs will be $50 \%$ higher than in year 0 .

A) year 19
B) year 17
C) year 13
D) year 15