List several fixed and variable costs associated with owning and operating an automobile. Suppose you are considering whether to drive your car or fly 1,500 miles to Florida over spring break. Which costs, fixed or variable, would you take into account in making your decision? Would any implicit costs be relevant? Explain in depth using numbers where available. Note, I do not care whether you would always fly or always drive, but I want you to use the tools learned in this chapter to analyze the costs.

As sales exceed the break‑even point, a high contribution‑margin percentage (a) increases profits faster than does a low contribution-margin percentage (b) increases profits at the same rate as a low contribution-margin percentage (c) decreases profits at the same rate as a low contribution-margin percentage (d) increases profits slower than does a low contribution-margin percentage

Arestaurant that creates a new type of sandwich is using (blank) as a method of competition.

Juanita and sam attend a beach party and notice that the local beach appears to have a great deal more trash washed up on shore than it did when they were young. the water doesn't appear nearly as clear, and there seems to be less evidence of small water creatures living in the shallows. an afternoon at the local library convinces them that one major cause is the new factory nearby. after some discussion, they decide their next step should be identifying the cause of the changes identifying the problem picketing the guilty factory lobbying their elected representatives to complain about the problem talking to a local environmental group about solutions