If the price of a good is below the shutdown point, a perfectly competitive firm earns zero profits

Mr. Frank, a foreman supervisor some 43 employees, was asked by his secretary to sign a form requesting additional supplies needed on the factory floor. He was not careless when he examined the form, but his secretary had cleverly arranged the signature line so that instead of signing a request form for supplies he signed a cheque payable to his secretary. What plea, if any, would be used to defend against her action on the cheque?

a. Mistake b. Illegality of object c. Rescission d. Non est factum e. Rectification

In conducting monetary policy, how has the Federal Reserve enhanced its credibility?

A) by revealing the Fed's target for the federal funds rate B) by marketing and increased expenditure on advertising C) by not following through with changes it has announced D) by keeping the minutes of the open market committee meetings confidential