Charles Wilson must decide how to invest $$14,000$ that he just inherited. What would be the future value of his investment after $6$ years under each of the following three investment opportunities? $($Do not round intermediate calculations. Round final answers to $2$ decimal places, eg$.2,515\mathrm{.}25.)$

a$.6\mathrm{.}44$ percent compounded quarterly.

Value of investment after $6$ years $

b$.6\mathrm{.}04$ percent compounded monthly.

Value of investment after $6$ years $

c$.6\mathrm{.}09$ percent compounded continuously.

Value of investment after $6$ years