Figure 13-2 -Refer to Figure 13-2. The graph illustrates a typical production function. Based on its shape, what does the corresponding total cost curve look like?

Figure 13-2
-Refer to Figure 13-2. The graph illustrates a typical production function. Based on its shape, what does the corresponding total cost curve look like?
A)an upward-sloping curve that increases at an increasing rate
B)an upward-sloping curve that increases at a decreasing rate
C)a downward-sloping curve
D)a horizontal straight line