Which of the following are true statements? I. If the price of a military aircraft rises there is no effect on the consumer price index, since military aircraft are not consumer goods. But the GDP deflator is affected, since military aircraft are included in GDP as a part of government purchases. II: A 10 percent increase in the price of chicken has a greater effect on the consumer price index than a 10 percent increase in the price of caviar because chicken is a bigger part of the average consumer's market basket. Ill: The consumer price index tries to measure the overall cost of the goods and services bought in the economy. O a. | and Ill O b. I, ll and Ill O c. I and ll O d. ll and Ill