Allison's Auto Art Is a Company That Applies Pinstripes to Vehicles.Allison's

Allison's Auto Art is a company that applies pinstripes to vehicles.Allison's cost for a basic one-colour pinstriping job is $35,and she charges $95 for this service.For a total price of $175,Allison will apply a fancier three-colour pinstripe application to an automobile,a service that adds an additional $40 to the total cost of the package.What is the marginal cost of moving up from the one-colour application to the three-colour application?

A) $35
B) $40
C) $80
D) $175