PARTIAL CREDIT-You must use Excel equations and functions ( 30pts ) Max is planning his retirement 30 years from now. He plans to save $500 each month for the next 30 years (ordinary annuity). His investment will earn 8.0 percent compounded monthly. Max will earn 4.0 percent compounded monthly on his investment during retirement. He plans to withdraw $5,000 per month from his retirement account for 20 years and have $200,000 for his heirs at the end of the retirement period. Unfortunately, Max's savings plan will not accomplish his goal and he must invest something today. How much must he invest today