Giant Eagle is a grocery store chain with stores located in Indiana, Maryland, Ohio, Pennsylvania, and West Virginia. Recently, it installed refrigerator doors on the dairy section in many of its stores. Previously, the dairy section was refrigerated but had no doors.

The refrigerator doors will reportedly use 78% less energy than the amount of energy used when there are no doors on the dairy section.

1. What factors could be relevant in Giant Eagle's decision about whether to install the dairy doors or not? List as many factors as you can think of; use your imagination.
2. Of the factors you listed in Question 1, which are qualitative in nature? Which are quantitative considerations?
3. What managerial accounting tools might be used by Giant Eagle in evaluating whether to purchase and install the dairy doors? List as many tools as might be useful and discuss how each could be used in this setting.
4. Of the tools you listed in Question 3, what tool would you consider would be most useful? Why?