Put parentheses around the prepositional phrases and label the objects of preposition OP. Please a need help

1. By spring vacation we had already held four auctions and five food sales.
2. The Middle School Players donated the proceeds from their play to the fund for Mrs. Fulton's retirement.
3. Everyone at the fund raiser worked under great pressure to get the job finished on time.
4. Despite our efforts we had not reached our goal of five thousand dollars.
5. Without another auction we were in great trouble.
6. We decided that Mrs. Fulton would have to work for another ten years.
7. However, she forced us to wash cars, walk dogs, and do yard work throughout the entire school year.
8. During the last two weeks, we finally raised enough money for her.
me

9. If she decides to stay for another year, we may tackle her and throw her out the door!
10. We slid down the hill in a rush to arrive at the bottom first.