Suppose Australia subsidizes its wine exports. Which one of the following groups will benefit from this policy?

When buying a car from a commission salesman you improve your bargaining position by

a. shopping when the new model year cars have just arrived b. shopping when the showroom is empty of customers c. shopping when the car lot has few cars left unsold d. shopping toward the beginning of the month

How does ‘consumer sovereignty’ determine the types and quantities of the goods produced in an economy?

Please provide the best answer for the statement.