With the Debris of More Than 50 Years of Climbing

Multiple Choice

With the debris of more than 50 years of climbing on the beautiful high slopes - oxygen canisters, tents, backpacks and even some bodies - Mount Everest has been called the world's highest garbage dump. Currently climbers must pay only a $3,000 trash-collection fee, which is woefully less than the actual cost of collecting trash. If climbers had to pay a higher trash-collection fee, the use of this common resource would

A) become less efficient.
B) become more efficient.
C) not deviate from the current level of efficiency.
D) More information about who would collect the trash is needed.