You have just received a windfall from an investment you made in a$$ friend's business. She will be paying you $$$$20$ comma $000$ at the end of this$$ year, $$$$40$ comma $000$ at the end of next$$ year, and $$$$60$ comma $000$ at the end of the year after that $(3$ years from$$ today$).$ The interest rate is $11\mathrm{.}5\%$ 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$)?$

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Part $1$

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

The present value of your windfall is $$$

$$

enter your response here. $($Round to the nearest$$ cent.$)$

Part $2$

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

The future value of your windfall in three years is $$$

$$

enter your response here. $($Round to the nearest$$ cent.$)$