Whitestone Products is considering a new project whose data are shown below. The required equipment has a 3-year tax life, and the accelerated rates for such property are 33.33%, 44.45%, 14.81%, and 7.41% for Years 1 through 4. Revenues and other operating costs are expected to be constant over the project's 10-year expected operating life. What is the project's Year 4 cash flow? $70,000 $42,500 Equipment cost (depreciable basis) Sales revenues, each year Operating costs (excl. deprec.) Tax rate a. $13,701 $25,000 25.0% O b. $13,016 O c. $15,900 O d. $14,422 e. $15,143