Consumer reports will have an article comparing refrigerators in the next issue. some of the characteristics to be included in the report are the brand name and model; whether it has a top, bottom, or side-by-side freezer; the estimated energy consumption per year (kilowatts); whether or not it is energy star compliant; the width, depth, and height in inches; and both the freezer and refrigerator net capacity in cubic feet. how would you classify 'depth'?