equire an additional $3 million investment in net operating working capital. The tax rate is 25%. answer to the nearest dollar. Enter your answer as a positive value. $ b. The company spent and expensed $25,000 on research related to the project last year. Would this change your answer? Explain. I. No, last year's expenditure is considered a sunk cost and does not represent an incremental cash flow. Hence, it should not be included in the analysis. II. Yes, the cost of research is an incremental cash flow and should be included in the analysis. III. Yes, but only the tax effect of the research expenses should be included in the analysis. outlay. affect your answer? against the project as a cost. against the project as a cost. III. The potential sale of the building represents an externality and therefore should not be charged against the project. IV. The potential sale of the building represents a real option and therefore should be charged against the project. V. The potential sale of the building represents a real option and therefore should not be charged against the project