What is the assumed shape of the graph of the sales response function?
A. U-shaped
B. a straight, downward-sloping line, starting in the upper left and extending to the lower right of the graph
C. W-shaped
D. S-shaped
E. inverted U-shaped
Answer: D
A. U-shaped
B. a straight, downward-sloping line, starting in the upper left and extending to the lower right of the graph
C. W-shaped
D. S-shaped
E. inverted U-shaped
Answer: D