Lionel’s Lawn Care is a company that maintains residential yards. Lionel’s cost for his
standard package of mowing, edging, and trimming is $15, and he charges $25 for this
service. For a total price of $40, Lionel will also trim shrubs, a service that adds an
additional $10 to the total cost of the standard package. Should Lionel continue to offer
the shrub-trimming service?
A) yes, his marginal benefit is greater than his marginal cost
B) yes, but only if he raises the price of the standard package
C) no, his marginal benefit is less than his marginal cost
D) More information is needed for Lionel to make this decision.
The level of long-run aggregate supply is affected by all of the following except
A) changes in the price level.
B) changes in the technology.
C) changes in the capital stock.
D) changes in the number of workers.