Use the Following to Answer Question

Multiple Choice

Use the following to answer question:
-(Figure: The Optimal Quantity) Use Figure: The Optimal Quantity.If the marginal benefit of lawn mowing decreased,the marginal _____ curve in the figure would shift to the _____ and the optimal quantity would be _____ than five lawns mowed.

A) benefit;right;more
B) cost;right;fewer
C) benefit;left;fewer
D) cost;left;more