4- Suzan`s Mother wants to have a retirement strategy that provides her with 5000 at the beginning of each month when she turns 60. Starting from now she will make monthly contributions of Y with rate of interest 8% compounded monthly for 30 years. The retirement strategy declared that each 1000 in her account will provide her with $12 at the beginning of each month stating from the retirement age (60) till the end of her life. Calculate X if you know that her age now is 30.