(1 point) (Exercise 2.3) At a certain interest rate the present values of the following two payment patterns are equal: (i) $300 at the end of 6 years plus $250 at the end of 11 years. ii) $400 at the end of 6 years. At the same interest rate $250 invested now plus $300 at the end of 6 years will accumulate to P at the end of 11 years. Calculate P. P = $