Sentence 1: Jerry's mom couldn't stop complaining about the sink leakage. 
 Sentence 3: Since the leakage problem was severe, he took several hours 
 Sentence 4:  In addition he charged a high price for his services 
 Sentence 5:  I had to pay for it since my mom was broke 
 Option 1: She tried to fix the leak herself. 
 Option 2: She contacted a plumber to check the system.