. what is the approximate irr for the cash flow curve depicted? 10% 13.5% 15% 17.5% -select- 2. when the cost of capital is greater than a project's irr, the npv for the project is negative equals the project's irr positive cannot be determined -select- 3. if the cost of capital decreases, the npv for the project increases stays the same decreases cannot be determined -select- 4. in the unrealistic situion in which the cost of capital were zero, the npv of the project is the sum of the cash flows is the upper limit for the npv of the project both of the above statements are correct neither of the first two statements is correct