$2.$ Koji invested $$3,300$ at $7\mathrm{.}75\%$ APR with annual compounding. After some time he withdrew $$9,383\mathrm{.}31.$ How long did Koji have his money invested? Pleases show steps in excel and formulas.

A$).17$ years

B$)16$ years

C$)15$ years

D$)14$ years

E$)13$ years