in 2016 a pound of apples cost $1.42, oranges cost $1.06. Three years earlier the price of apples was only $1.21 a pound and oranges was $.92 a pound. a)what was the annual compound rate of growth in the price of apples? b) What was the annual compound rate of growth in the price of oranges? c) if the rate persists, what will be the cost of apples in 2030?