Hivision Protit Margin is above the average of other firms in the industry 3. The decision rule for net present value is to: a. accept all projects with positive net present values. b. reject all projects lasting longer than 10 years. c. reject all projects with rates of return exceeding the opportunity cost of capital d. accept all projects with cash inflows exceeding initial cost 4. Which of the following could explain why a business might choose to operate as a corporation rather than as a sole proprietorship or a partnership