Jack has $1,000 to invest. he has a choice between municipal bonds with an interest rate of 4% or corporate bonds with an interest rate of 6%. jack has a marginal tax rate of 25%. given this information, jack should invest in the bonds. the after-tax rate of return on the municipal bonds is % and the after tax rate of return on the corporate bonds is %. the difference in the rates of return is known as taxes.

Sean lives in dallas and runs a business that sells boats. in an average year, he receives $722,000 from selling boats. of this sales revenue, he must pay the manufacturer a wholesale cost of $422,000; he also pays wages and utility bills totaling $268,000. he owns his showroom; if he chooses to rent it out, he will receive $2,000 in rent per year. assume that the value of this showroom does not depreciate over the year. also, if sean does not operate this boat business, he can work as a paralegal, receive an annual salary of $21,000 with no additional monetary costs, and rent out his showroom at the $2,000 per year rate. no other costs are incurred in running this boat business.identify each of sean's costs in the following table as either an implicit cost or an explicit cost of selling boats.implicit costexplicit costthe wages and utility bills that sean pays the rental income sean could receive if he chose to rent out his showroom the salary sean could earn if he worked as a paralegal the wholesale cost for the boats that sean pays the