This problem will require you to make some assumptions, so be sure that your assumptions are clear. You have dinner reservations
at Atrio in Brickell, but the elevator is broken. If you decide to take the stairs does that entitle you to eat the entire Chocolate Fondue for Two dessert by yourself? The Chocolate Fondue for Two is 1 lb. of dark chocolate, served with a variety of fruits for dipping.
The statement is implying that if you do a certain amount of work, you're entitled to do a certain amount of work. Sometimes, work doesn't entitle you a reward.
I think the answer would be A. Density because many headlights could have the same density, but the rest of the analysis techniques would be specific to that crime.