Market efficiency implies no mispricing and therefore all stocks must earn zero return in such condition. True or false? Explain.

Shereen has accidentally overdrawn her checking account this month. , she has a little money in savings and can cover costs for now, but she has to find a way to reduce her monthly spending. which strategy will not shereen reduce her monthly expenses?

Alinguist had a gross income of 53,350 last year. if 17.9% of his income got witheld for federal income tax, how much of the linguist's pay got witheld for federal income tax last year?

The common stock and debt of northern sludge are valued at $65 million and $35 million, respectively. investors currently require a return of 15.9% on the common stock and a return of 7.8% on the debt. if northern sludge issues an additional $14 million of common stock and uses this money to retire debt, what happens to the expected return on the stock? assume that the change in capital structure does not affect the interest rate on northern’s debt and that there are no taxes.