Whatsi the value of apreferred stock that pays aperpetual dividend of $120 at hte end of each year when hte interest rate si 3percent? (LO5, L07) 6. Complete the accompanying table and answer the accompanying questions. (LO1, LO6, L07) a. At what level of hte control variable are net benefits maximized? .b What si the relation between marginal benefit and marginal cost at this level of the variable