Kathy and Brian each make deposits of 100 at the end of each year for 40 years. Starting at the end of the 41st year, Kathy makes annual withdrawals of K for 15 years and Brian makes annual withdrawals of L for 15 years. Both funds have a balance of 0 after the last withdrawal. Kathys fund earns an annual effective interest rate of 8%. Brians fund earns an annual effective interest rate of 10%. Calculate L K.