27 (1 point) Listen Suppose the total market value of all final goods and services produced in a country is $10 billion in 1999 (measured in 1999 prices) and $12 billion in year 2000 (measured in 2000 year prices). Which of the following statements is correct? production of goods and services increased between 1999 and 2000. average price levels increased between 1999 and 2000. nominal GDP increased between 1999 and 2000. I all the above statements are correct. Question 28 (5 points)