Suppose that a financial security that pays $4.0 every six months for the next two years after which the payment decreases at the rate of 2% per period. This security pays $4.0 in 6, 12, 18 and 24 months after that every cash flow will be 2% less than the precious cash flows. If the effective semiannual interest rate is 4%, find the fair value of the security today.