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Course: Introduction to Economics - Prices, Money and Inflation Consider an economy in which ONLY 3 goods are consumed. The table below captures the above: Tennis Balls Golf Balls Energy drink Price 2014 $2 $4 $1 Quantity 2014 100 100 200 Price 2015 $2 $6 $2 Quantity 2015 100 100 200 (a) Calculate the PERCENTAGE CHANGE in the price of each of the 3 goods. b) Using a construction similar to that of the CPI, calculate the percentage change in the overall pnceleveL c) If you learned that from 2014 to 2015, the size of a bottle of energy drink increased, should this affect the interpretation of your calculation obtained in b)? THANKS :D