From the list below, select all of the factors that might help you decide whether to use APV or tax-adjusted WACC.

1.		WACC is often simpler to calculate and standardize on within a firm.
2.		WACC is always superior to APV.
3.		APV more accurately values scenarios with known debt levels.
4.		WACC cannot handle changes in debt and equity weights over time.
5.		There is no difference between WACC and APV.