Which of the following could not possibly be included in the same market as Coke?

When economic choice involves an adjustment to an existing situation, marginal analysis

a. has no practical applications or real-world uses b. eliminates incorrect decisions and bad choices c. involves comparing the additional costs and additional benefits of an activity before deciding d. involves examining only the total costs and total benefits of an activity before deciding e. none of the above

A rational decision maker will take only those actions for which the expected marginal benefit

a. is positive b. is at its maximum level c. is greater than or equal to the expected marginal cost d. is less than the expected marginal cost e. exactly equals the expected marginal cost