How do I solve hte problem below without using excel? Please show all formulas and steps to get answerws. Draw timeline clearly please.

You are pursuing a Bachelor's in Finance at a business school, and you will need $20,000 per year for the next 4 years to cover your college expenses. That is, you plan to withdraw $20,000 at the end of each of the next 4 years, starting one year from today. To support your college education, your parents decide to make a deposit today into a bank account paying an 8% annual interest. This deposit should be sufficient to cover the four $20,000 withdrawals you will make over the next 4 years. a. Draw a timeline to visualize the problem. b. How much must the deposit be? c. How much will be in the bank account immediately after you make the second withdrawal