D Question 4 1 pts Orange and apple juice are perfect substitutes for Mingkai - he receives the same marginal utility from the glass of orange juice as from the glass of apple juice. Assume that the price of orange juice is $5, the price of apple juice is $4 and Mingkai's income is $40. a) Draw the income-consumption curve (put orange juice on the horizontal axis and the apple juice on the vertical axis). . This curve is |an upward sloping straight line v b) Draw the price-consumption curve when the price of orange juice changes. . For values Qorange 10, this curve is [Select ]