Given the question: On a scale of 1-5 (with 1 being least favorable and 5 being most favorable), how would you rate this review? "Thank you! My battery usage was so terrible I was about to buy a new phone. Using this app I managed to get idle usage from over 10% an hour to under 2% an hour! You just saved me heaps of money I'll gladly pay a few bucks to show my appreciation."
The answer is:
5