calculate the amount of each annuity of the last deposit.A deposit of $450 at the end of each month period of 5 years at 6.5% compounded semi annually.
amount = payment[(1+i)^n = 1)/i ]
monthly rate = .065/12 = .005416666
amount = 450[(1.005416666^60 - 1)/.00541666 ]
= 450(70.67397614)
= 31803.29