Solve the Problem $\$ 22,000$ Is Invested in an Account Earning $4.5 \%$

Multiple Choice

Solve the problem.
-If $\$ 22,000$ is invested in an account earning $4.5 \%$ interest compounded continuously, determine how long it will take the money to quadruple. Round to the nearest year. Use the model $A = P e ^ { r t }$ where $A$ represents the future value of $P$ dollars invested at an interest rate $r$ compounded continuously for $t$ years.

A) 3 years
B) 308 years
C) 31 years
D) 36 years