A deposit of $$7,000$ made $6$ years ago will be worth $$20,000$ in $4$ years from now. What is the annual interest rate?

a$.19\mathrm{.}12\%$

b$.18\mathrm{.}57\%$

c$.11\mathrm{.}07\%$

d$.30\mathrm{.}95\%$

e$.30\mathrm{.}01\%$