You have just recelved a windfall from an investment you made in a friend's business, She will be paying you $$15,000$ at the end of this year, $$30,000$ at the end of next year, and $$45,000$ at the end of the year after that $(3$ years from today$).$ The interest rate is $14\mathrm{.}7\%$ per year.

a$.$ What is the present value of your windfall?

b$.$ What is the future value of your windfall in $3$ years $($on the date of the last payment$)?$

a$.$ What is the present value of your windfall?

The present value of your windfail is $ $($Round to the nearest cent.$)$