2. Julio is saving for retirement. He will deposit $800 at the end of the first year, $1,600 at the end of the second year, $2,400 at the end of the third year and so on for 18 years. Starting with the first month after the 18th deposit, he will withdraw X from the account. We will withraw at the end of each month for the next 10 years. The nominal annual interest rate compounded monthly is 3.6%. Use annuity functions to compute your answer. (a) Find the amount in Juilo's account at the end of year 18. (b) Find the value of the 10 years of withrawals at year 18. (c) Find X