36) A 25-W fluorescent bulb emits the same amount of light as a 100-W incandescent bulb. Therefore, the fluorescent bulb is about A. one-quarter as efficient B. one-half as efficient C. twice as efficient D. four times as efficient 37) A vacuum uses input energy of 200 000 J to clean a carpet. If 140 000 J of output energ is wasted as heat and sound energy, what is the efficiency of the vacuum? Show your work with proper units, beginning with a formula