Assume there are only two goods in the economy, apples and bananas. In 2018, 2,000 apples were sold at $1 each and 8,000 bananas at $0.60 each. In 2019, the price of apples rose to $1.5 and the quantity rose to 2,200; the price of bananas rose to $0.80 and the quantity sold rose to 8,500