Western regional bank is selling a perpetuity that pays equal payments of $X every semiannual period with the first payment in one semiannual period from today. They will accept payment for the perpetuity in 3 incremental payments: 1,915 in 3 years, 5,257 in 8 years and 5,652 in 11 years. How much will the perpetuity pay each semiannual period (what is X)? Assume the interest rate is 12.76% compounded semiannually.