Mahmoud, who is currently 35 years old, wants to retire at age 65. Your calculations show that for Mahmoud to have a comfortable retirement he needs to have saved $757,000 by his planned retirement age. What monthly investment is necessary at the beginning of every month over the years remaining to his retirement to meet his retirement capital need, assuming that he opens an account paying 8% annual interest compounded monthly and deposit $36,875? Disregard taxes and inflation.