Zencorp is considering buying a $220,000 production machine. It would be depreciated (simplified straight line) for 10 years. This investment would allow the firm to increase sales by $180,000 per year. Operating expenses would increase by $70,000 per year also. The corporate tax rate is 21%. What is the annual cash flow for the project?

a) $69,520

b) $91,520

c) $88,000

d) $86,900

e) $202,120