During the 1990s, interest rates became ________ volatile than in the 1980s because the Fed used open market operations to ________ shifts in the IS and LM curves

Investment is

A) spending by businesses on things which can be used to produce goods and services in the future. B) the production of goods for immediate satisfaction. C) the purchasing of stocks and mutual funds. D) goods bought by households.

Using the data in the table above, when the price of a skirt rises from $20 to $35, what is the price elasticity of demand? (Use the midpoint method.)

A) 0.33 B) 0.25 C) 1.00 D) 1.33 E) 3.00