Mika has already saved $44,570 in her retirement savings plan (RSP). If she contributes an additional $400 at the end of every 3 months until she retires in 15 years, how much will she have in the account on the day she retires? Assume that her account will earn 5% compounded quarterly (j4).Mika has already saved $44,570 in her retirement savings plan (RSP). If she contributes an additional $400 at the end of every 3 months until she retires in 15 years, how much will she have in the account on the day she retires? Assume that her account will earn 5% compounded quarterly (j4).