I bet the money was so she could get a cab home after grocery shopping . Argh , having $ 50 would have been nice . But knowing I probably made a difference in someone 's week is nicer . Still , the feeling of finding an envelope full of money .

Question: What was the need of money ?
Answer: She cab home first before grocery   shopping .she   will   cab home after grocery shopping .None of the above choices .The amount was less for both cab home and grocery shopping .