Jaylin made an investment of $P in a bank that earns 4% interest every year. The function A, defined by A(n)=Pe⁰.⁰⁴ᵗ models the value of her account in dollars , after t years, where p represents the initial amount she invested. Suppose there are no additional deposits or withdrawal. Approximately how long does it take for the value of her account to triple?
a. 8.5 years
b. 12 years
c. 27.5 years
d. 19 years