3. Two charities split an inheritance to be received in 20 level annual contri- butions beginning one year from now. Charity A will receive the first 10 annual payments, and Charity B will receive the last 10 annual payments. If the an- nual effective interest rate is 6.789%, the present value of Charity A's payments is equal to the present value of Charity B's payments. If the annual effective interest rate is 6%, what is the proportion of the present value held by Charity B