If total exploration cost for one of the oil holes was $50,000,000 and the estimated quantity that can be extracted was 10,000,000 barrels of oil. Total production cost for that year was $10,000,000 to extract 1,000,000 barrels of oil. Based on this, depletion cost per barrel is:

Select one:

a.$27.5 per barrel

b.$5 per barrel

c.$15 per barrel

d.$10 per barrel

e.Another amount