Question 39 (2 points) Price Quantity Total Revenue Ed Characteristic $80 0 $70 50 $60 100 $50 150 $40 200 $30 250 $20 300 $10 350 Using the midpoint formula, what is the Ed when the price changes from $50 to $40? Is the price change from $50 to $40 elastic, inelastic, or unitary? Question 40 (2 points) Price Quantity Total Revenue Ed Characteristic $80 0 $70 50 $60 100 $50 150 $40 200 $30 250 $20 300 $10 350 Using the midpoint formula, what is the Ed when the price changes from $40 to $30? Is the price change from $40 to $30 elastic, inelastic, or unitary? AJ