Question 37 (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 $70 to $60? A Is the price change from $70 to $60 elastic, inelastic, or unitary? Question 38 (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 $60 to $50? Is the price change from $60 to $50 elastic, inelastic, or unitary