Graph 13-2 This Graph Depicts a Total Cost Function for Function

Multiple Choice

Graph 13-2
This graph depicts a total cost function for a firm that produces cookies. Use the graph to answer the following question(s) .
-Refer to Graph 13-2. Identify the true statements from the list below. (i) diminishing marginal product for all levels of input usage
(ii) total output increases but at a decreasing rate
(iii) the slope of the production function increases as quantity of inputs increase.

A) (i) only
B) (ii) and (iii)
C) (i) and (iii)
D) (i) , (ii) and (iii)