Suppose that the price elasticity of demand for peanut butter is 1.5 in the short-run and 2 in the long-run. If the price of widgets decreases from $2.00 to $1.20, the quantity of widgets demanded increases by in the short-run and by in the long-run. (Use the midpoint method in your calculations and fill in the blanks.) O 20%, 10%. O 100%, 60%. O 75%, 100%. O 15%, 25%