A graph has Wheat on the horizontal axis and Corn on the vertical axis. A curved line connects the values 40 on the horizontal axis and 50 on the vertical axis. Point A is inside the curve, between the curve and the axes. Point B is on the curve, corresponding to values 25 on the horizontal axis and 45 on the vertical axis. Point C is on the horizontal axis at value 40. Which of the following production combinations represents an inefficient level of production? (3 points) 0 units of corn and 40 units of wheat 45 units of corn and 25 units of wheat 50 units of corn and 0 units of wheat 25 units of corn and 25 units of wheat Indeterminate