Vinson Manufacturing requires all capital investment projects to have a payback period of 5 years or less. Vinson is currently considering an equipment purchase that has an initial cost of $90,000. The equipment is expected to have a ten year life and a salvage value of $5,000. Assuming cash flows are equal, what does the annual cash flow generated by the equipment need to be in order to meet the payback period requirements? Answer a. $17,000 b. $18,000 c. $19,000 d. $90,000