PC Shopping Network may upgrade its modem pool. It last upgraded 2 years ago, when it spent $100 million on equipment with an assumed life of 5 years and an assumed salvage value of $28 million for tax purposes. The firm uses straight-line depreciation. The old equipment can be sold today for $71 million. A new modem pool can be installed today for $147 million. This will have a 3-year life, and will be depreciated to zero using straight-line depreciation. The new equipment will enable the firm to increase sales by $23 million per year and decrease operating costs by $7 million per year. At the end of 3 years, the new equipment will be worthless. Assume the firm's tax rate is 35% and the discount rate for projects of this sort is 15%. (Enter your answers in millions. For example, an answer of $13,000,000 should be entered as 13. Use minus sign to enter cash outflows, if any.) a. What is the net cash flow at time 0 if the old equipment is replaced? (Round your answer to 2 decimal places.) The net cash flow at time 0 million b. What is the incremental cash flow in year 1? (Round your answer to 3 decimal places.) The incremental cash flow in year 1 million What is the incremental cash flow in year 29 (Round your answer to 3 decimal places The incremental cash flow in year 2 million What is the incremental cash flow in year 3? (Round your answer to 3 decimal places.) The incremental cash flow in year 3 million c. What is the NPV of the replacement project? (Round your answer to 2 decimal places.) NPV million What is the IRR of the replacement project? (Round your answer to 2 decimal places.) IRR