Figure: the Optimal Quantity

Figure: The Optimal Quantity
(Figure: The Optimal Quantity) Look at the figure The Optimal Quantity.If the demand for
lawn-mowing decreased, the ________ curve in the figure would shift to the and the
optimal quantity would be five lawns mowed.
A.marginal benefit; right; more than
B.marginal cost; right; fewer than
C.marginal benefit; left; fewer than
D.marginal cost; left; more than