You are concerned about your retirement portfolio and want to start planning. You figure you will retire in exactly 42 years from today and then live another 30 years after. During retirement, you want to be able to take out $8,000 per month for the entire 30 years. Today, you plan to invest $300 each month in the retirement account. You plan invest at this level for the next 20 years. How much will you have to invest in your retirement account each month for those remaining 22 years to have enough proceeds to reach your retirement goals? You may assume the applicable rate is 7% APR, compounded monthly. (15 pts)