When your manager completes a job review with you regarding your performance they give you

DeShawn's Detailing is a service that details cars at the customers' homes or places of work. DeShawn's cost for a basic detailing package is $40, and he charges $75 for this service

For a total price of $90, DeShawn will also detail the car's engine, a service that adds an additional $20 to the total cost of the package. Should DeShawn continue to offer the engine detailing service? A) yes, but only if he raises the price of the basic detailing package B) No, his marginal benefit is less than his marginal cost. C) Yes, he still makes a profit by selling the engine detailing service with the basic detailing package. D) More information is needed for DeShawn to make this decision.

From 1978 to 2003, the economy of ________ grew on average 9 percent per year, a rate faster than any other country in the world.

A. India B. Russia C. China D. the United States