Some firms have an incentive to advertise because they sell a: a. differentiated product and charge a price above marginal cost. b. differentiated product and charge a price equal to marginal cost. c. homogeneous product and charge a price equal to marginal cost. d. homogeneous product and charge a price above marginal cost.

You plan to invest some money in a bank account. which of the following banks provides you with the highest effective rate of interest? hint: perhaps this problem requires some calculations. bank 1; 6.1% with annual compounding. bank 2; 6.0% with monthly compounding. bank 3; 6.0% with annual compounding. bank 4; 6.0% with quarterly compounding. bank 5; 6.0% with daily (365-day) compounding.