Figure 2-16​ -Refer to Figure 2-16.Which of the Following Statements Is True

Figure 2-16​
-Refer to Figure 2-16.Which of the following statements is true about the opportunity cost of obtaining approximately 20 additional gadgets by moving from point B to point C?

A) The opportunity cost is the 70 gadgets that are no longer produced.
B) The opportunity cost is zero because the economy does not give up producing widgets to go from producing at point B to point C.
C) The opportunity cost is greater than zero widgets but less than 70 gadgets.
D) The opportunity cost is greater than 70 gadgets.