DYI Construction Co. is considering a new inventory system that will cost $750,000. The system is expected to generate positive cash flows over the next four years in the amounts of $350,000 in year one, $325,000 in year two, $150,000 in year three, and $180,000 in year four. DYI's required rate of return is 8%. What is the net present value of this project?

a. $96,320

b. $87,417

c. $104,089

d. $100,328

Mountain Retreat and Resort is undergoing a major expansion. The expansion will be financed by issuing new 15-year, $1,000 par, 9% annual coupon bonds. The market price of the bonds is $1,070 each. The firm's flotation expense on the new bonds will be $50 per bond. The firm's marginal tax rate is 35%. What is the relevant cost of the new bonds for capital budgeting purposes?

a. 5.69%

b. 8.45%

c. 5.14%

d. 4.82%