问题
单项选择题
Which of the following is irrelevant in determining project cash flow for a capital investment（）
A. Sunk costs.
B. Tax impacts.
C. Opportunity costs.
答案
参考答案：A
解析：
Sunk costs are not to be included in investment analysis. Opportunity costs, changes in net working capital, and the project's impact on taxes are all relevant variables in determining project cash flow for a capital investment.