Using the data in the table below related to nominal GDP and the chain-weighted price de gross domestic product (e.g., price index for GDP), answer the following questions: Instructions: For parts a, c, d, and e, enter your responses as a percentage rounded to one decimal place. For part b, round your response to the nearest billion. a. Calculate the percentage change in nominal GDP between 2012 and 2019. b. Calculate real GDP in 2019 at prices of 2012 . $ c. Calculate the percentage change in real GDP between 2012 and 2019. % d. What is the percentage change in nominal GDP between 2012 and 2019 attributed to changing prices? e. What is the percentage change in nominal GDP between 2012 and 2019 attributed to a growing economy