Sentence 1: Rachel needed a new computer. 
 Sentence 3: Rachel decided to babysit on the weekends on top of her job 
 Sentence 4:  After a month, Rachel had made a lot of money babysitting 
 Sentence 5:  She was finally able to buy the computer she needed 
 Option 1: She found that the type of computer she needed was really pricey. 
 Option 2: She asked her dad to buy her a new computer and he agreed.