A car owner who has agreed to sell his old car to a buyer at a contracted price will be unable to accept the price offered by other prospective buyers due to the _____ constraint

The figure above shows the market for milk in Cowland. If a subsidy paid to producers of $1 per gallon of milk is introduced, how many gallons are sold per year?

A) 200 million B) 400 million C) 300 million D) more than 300 million but less than 400 million

Which of the following is an interest rate that is set directly by the Fed?

A) the prime lending rate B) the required reserve rate C) the discount rate D) the federal funds rate