Two alternative $15,000 investments are being considered. A 10% discount rate is used because the company never invests at a lower rate than this. The NPV of Alternative A show a total present value of $12,400 and Alternative B a total present value of $12,800. Given this information one should select:

a. neither, until one has used the ARR method to obtain the true rate of return

b. because it has a higher total present value

c. neither, until the investment has been discussed with the employees involved

d. neither, NPV is negative in both cases