Sentence 1: Angela never made accounting mistakes. 
 Sentence 3: She counted the money again to make sure 
 Sentence 4:  She even looked under the counter 
 Sentence 5:  But in the end, she had to pay the money out of her own pocket 
 Option 1: So when money was missing from her cash register, she panicked. 
 Option 2: So when money was where it should be in her cash register, she felt calm.