For (x), you are given: The annual benefit premium for a twenty-year endowment insurance of 1 is 0.0349. The annual benefit premium for a twenty-year pure endowment of 1 is 0.0230. The annual benefit premium for a twenty-year premium and twenty-year deferred whole life annuity-due of 1 per year is 0.2087. All premiums are fully discrete level premiums. i = 0.05. Calculate the level annual benefit premium for a twenty-payment whole life insurance of 1