Which of the following equals the ratio of the change in total revenues over the change in output?

If the real interest rate is below the equilibrium real interest rate

A) lenders will be unable to find borrowers willing to borrow all of the available funds and the real interest rate will fall. B) borrowers will be unable to borrow all of the funds they want to borrow and the real interest rate will rise. C) lenders will be unable to find borrowers willing to borrow all of the available funds and the real interest rate will rise. D) borrowers will be unable to borrow all of the funds they want to borrow and the real interest rate will fall.

Making more frequent, but smaller cash withdrawals from banks ________ the inflation losses from holding cash and ________ the shoe leather costs of inflation.

A. reduces; increases B. increases; increases C. reduces; has no impact on D. increases; reduces