PART A$.)$ An engineer who is saving for her retirement plans to deposit $$100$ bi$-$weekly $($twice

per month$)$ into an investment account. If the account pays interest at $6\%$ per year,

compounded monthly, the total she will have at the end of $25$ years is$?$

PART B$.)$ If average inflation is $3\%$ over the $25-$year period from Part A$,$ what is the real

interest rate that the engineer makes on her investment?

PART C$.)$ The future amount in the account from Part A must sustain the engineer for the rest

of her life $($assume the account continues to make $6\%$ interest$).$ How long can she afford to live

after retirement if she wants to withdraw $$2,500$ per month to live off of$?$