A regional airline company estimated four years ago that each pound of aircraft weight adds $30 per year to its fuel expense. Now that the cost of jet fuel has doubled, how much can this airline afford to spend on cabin refurbishments?
a) It can afford to spend the amount saved from fuel cost reduction on cabin refurbishments.
b) It cannot afford any cabin refurbishments due to increased fuel expenses.
c) It can spend twice the amount saved from fuel cost reduction on cabin refurbishments.
d) It can afford to spend $30 per pound of weight reduction on cabin refurbishments.