Which of the following is the consumer price index used for? Question 23 options: a) to track changes in the stock market b) to monitor changes in the level of real GDP c) to monitor changes in the cost of living d) to track changes in the level of wholesale prices in the economyIf nominal GDP is $1 trillion and real GDP is $0.8 trillion, what is the GDP deflator? Question 22 options: a) 80 b) 0.8 c) 1.25 d) 125