Which of the following statements is true?

Select one:

a.The GDP deflator calculates inflation using the current production basket while the CPI uses a fixedproductionbasket.

b.The rate of change of the GDP deflator indicates real GDP growth because it is based on current production in the economy.

c.The GDP deflator calculates inflation using the current production basket while the CPI uses a fixedconsumptionbasket.

d.Changes in nominal GDP are the same as changes in the CPI because both capture changes in the cost of living.