Task: Question Answering
Input (English): Problem: lally ' s internet provider offers unlimited traffic which costs $ 0.5 per day charged off at 12 a. m. the service is discontinued when client ' s debt exceeds $ 5. if today in the morning lally makes a payment of $ 7, for how many days, including today, will she be connected to the internet without any additional payments, given her initial balance was $ 0 ?
Options: a. 15, b. 24, c. 25, d. 26, e. 13
Output (English): c