A Bucket Weighing 10 Pounds Containing 30 Pounds of Sand $8,200$

Multiple Choice

A bucket weighing 10 pounds containing 30 pounds of sand is attached to the lower end of a chain of 100 feet long and weighs 10 pounds. The work done to lift the bucket to the top, in foot-pounds, is

A) $8,200$
B) $7,500$
C) $6,300$
D) $5,400$
E) $4,500$