Figure 6.4.1 -Refer to Figure 6.4.1 Above. According to the Diagram Below

Multiple Choice

Figure 6.4.1
-Refer to Figure 6.4.1 above. According to the diagram below, where each isoquant's output level is marked to the right of the isoquant, production is characterized by:

A) decreasing returns to scale.
B) constant returns to scale.
C) increasing returns to scale.
D) increasing, constant and decreasing returns to scale.