8) A financial analyst was earning $6,000 per year in 1950. Today, that same job pays $60,000 a year. However, on average, goods today cost 8.8 times what they did in 1950. What is the real income today in terms of constant 1950 dollars.

9) In April 2013, a pound of apples cost $1.41. Four years earlier, a pound of apples cost $1.20 per pound. What was the annual compound rate of growth in the price of apples.

10) In the summer of 2007, Zimbabwes official inflation rate was 110% per month. What was the annual inflation rate