Question

In April 2016 a pound of apples cost $1.54, while oranges cost $1.18. Three years earlier the price of apples was

only $1.33 a pound and that of oranges was $1.04 a pound.

a. What was the annual compound rate of growth in the price of apples? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

b. What was the annual compound rate of growth in the price of oranges? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.)

c. If the same rates of growth persist in the future, what will be the price of apples in 2030? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

d. What about the price of oranges? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

An engineer in 1950 was earning $6,400 a year. In 2015 she earned $84,000 a year. However, on average, prices in 2015 were higher than in 1950. What was her real income in 2015 in terms of constant 1950 dollars? Use the data in Table 5.8. (Round your answer to 2 decimal places.)

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