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? Equipment cost (depreciable basis) Sales revenues, each year Operating costs (excl. deprec.) Tax rate O a. $13,701 b. $15,143 $70,000 $42.500 $25,000 25.0% c. $14,422 d. $15.900 e. $13,016