Charities A, B and C split level payments of X at the end of each year forever. For the first n years, two-thirds of the payment will be given to Charity A and the other one-third of the payment to Charity B. Thereafter, all pay- ments will be directed to Charity C. If the annual effective interest rate for the perpetuity is 10%, then the proportion of the present value going to Charity C is 0.424 097 618 4. If the present value of the inheritance is based on an annual effective interest rate of 8%, then what is the proportion of the present value going to Charity B