An attorney supplies 40 hours of work per week when her fee is $100 per hour, but supplies 60 hours of work per week when her fee rises to $120 per hour. Using the midpoint formula, her price elasticity of supply is equal to 2.2 O 0.45 O0.8 O1 Question 29 (1 point) The owner of a supermarket knows that when the price of potatoes increases by 10% the demand for tomatoes decreases by 10%. Given this information, we know that potatoes and tomatoes are Normal goods Substitutes O Complements Inferior goods