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4.9 A life annuity on (x) provides for annual benefit payments for life beginning at age x. The initial bene- fit payment is 1000 and each subse- quent payment increases by 6% [ie. the benefit payment at age x + 1 is 1060, the payment at age x + 2 is 1000(1.06)2, and so on]. The first 10 benefit payments are guaranteed and will be made regardless of whether (x) is alive or not. The interest rate is a constant 6%. You are given that 10Px 0.9 and ex-10-10. Find the present value of this contract