Which of the following statements are false? Accounting net income equals zero when the contribution margin equals zero. The worst-case analysis of a proposed project would include the highest variable cost per unit and lowest salvage value. An analysis of the change in a project's NPV when a single variable is changed is called forecasting analysis. Worst-case analysis would include the highest anticipated level of fixed costs. 1. 2. 3. 4. Which of the following statements are false? Scenario analysis is used to answer what-if questions. Worst-case analysis would include the lowest level of anticipated working capital. The worst-case analysis of a proposed project would include the minimal number of units and lowest salvage value. Best-case analysis would include the lowest level of anticipated working capital