Part (a) Compute the amount that a $20,000 investment today would accumulate to at the end of 10 years, 8 \& interest compounded quarterly. $ Part (b) Eran wants to retire at the end of this year (2020). Her life expectancy is 35 years from her retirement. She has come to you, her CPA, to learn how much she should deposit on December 31,2020 to be able to withdraw $100,000 at the end of each year for the next 35 years, assuming the amount on deposit will earn 8 8 interest annually. $