North Coast Petroleum holds huge reserves of oil assets. Assume that at the end of 2016, North Coast Petroleum's cost of oil reserves totaled 60,000,000,000, representing 5,000,000,000 barrels of oil. Requirements 1. Which method does North Coast Petroleum use to compute depletion?
A) Straight-line method
B) Units-of-production method
C) Depletion-by-sales method
D) Percentage depletion method