Which of the Following Is True

Which of the following is true?

A) As interest rates increase, present values increase.
B) Pure economic rent is a payment to a monopolist for the monopolist's product.
C) Ricardo argued that land rent is price determined, not price determining.
D) The present value of $10,000 in one year, at a 6 percent interest rate, is $9,200.
E) none of the above