Show formulation $($including factors$)/$ calculations. Answers should be given to nearest cent for $ amounts, and to $2$ decimal points for $\%($e$.$g$.,9\mathrm{.}18\%)$ and $4$ decimal places for any other numeric values. If Excel is used for calculations, include the Excel formula$($s$)$ used.

A$.$ An investment has an APR of $14\%$ per year, compounded monthly. Calculate the effective rate per quarter.

B$.$ Calculate the annual ROR on the following cash flows $($i$.$e$.,$ the effective interest rate that makes the PW $=0).$

C$.$ For an investment fund, you make quarterly payments of $$500$ into the fund. The fund earns $12\%$ interest per

year, compounded quarterly. What is amount in the fund at the end of $10$ years?