The marketing department has determined that the relationship between marketing expenditures (x) and sales can be modelled by the equation sales = 100x − x2 + 20. use a nonlinear solver tool to determine the level of marketing expenditure that will maximize sales. a. 40b. 50c. 60d. 70e. 80

Joe said “your speech was really great, i loved it.” his criticism lacks which component of effective feedback? a) he did not recognize his ethical obligations b) he did not focus on behavior c) he did not stress the positive d) he did not offer any specifics

Investment x offers to pay you $5,700 per year for 9 years, whereas investment y offers to pay you $8,300 per year for 5 years. if the discount rate is 6 percent, what is the present value of these cash flows? (do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) present value investment x $ investment y $ if the discount rate is 16 percent, what is the present value of these cash flows? (do not round intermediate calculations and round your answers to 2 decimal places, e.g., 32.16.) present value investment x $ investment y

73. calculate the weighted average cost of capital (wacc) based on the following information: the equity multiplier is 1.66; the interest rate on debt is 13%; the required return to equity holders is 22%; and the tax rate is 35%. (a) 15.6% (b) 16.0% (c) 15.0% (d) 16.6% (e) none of the above