Directions: This question presents a sentence, all or part of which is underlined. Beneath the sentence you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.

Optional equipment on a car can add greatly to it's resale value when you trade it in.

Optional equipment on a car can add greatly to it's resale value when you trade it in.

Optional equipments on a car can add great value to it's resale value when you trade in it.

Optional equipments on a car can add greatly to their resale values when you trade them in.

Optional equipment on a car can add great value to resale value when one trades it in.

Optional equipment on a car can add greatly to its resale value when you trade it in.