Below are a number of slogans used for advertisement. Which dimensions of customer utility do the slogans emphasize? 

a. We build lenses uniquely to the needs of your eyes.

b. Get your burger in 1 minute or less—otherwise, you eat free. 

c. We match any price in town. 

d. Our dealership network provides service, wherever in the country you may be. 

e. The fastest Internet in the nation.