Video World owns and operates a national chain of video game arcades. Indicate whether Video World would evaluate each of the following as an investment center, a profit center (other than an investment center), or a cost center. Briefly explain the reason for your answer.

a. An individual video arcade within a chain of video arcades.

b. A snack bar within one of the company’s arcades.

c. A particular video game within one of the company’s arcades.

d. The security officers at each arcade location.