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(1 point) Problem 4 - Unknown Time & Unknown Interest Rate At what effective annual rate of interest i will a payment of $200 now and $600 in one year accumulate to $ 832.94 in 2 years. (1 point) Problem 5 - Unknown Time & Unknown Interest Rate Nate can receive one of the following two payment streams: (0) 500 at time 0, 1000 at time n, and 1500 at time 2n (ii) 5000 at time 12. At an annual effective interest rate of i, the present value of the 2 streams are equal. Given vn = 0.772, compute