Kira Tran, a nonexempt employee at Refurbished Woods, works a standard 7:00 a.m.–4:00 p.m. schedule with an hour for lunch each day. Kira received overtime pay for hours in excess of 40 per week. During the week, she worked the following schedule:
• Monday: 9.25 hours
• Tuesday: 7.5 hours
• Wednesday: 8.75 hours
• Thursday: 6.75 hours
• Friday: 8.25 hours

How many hours of overtime did Kira work this week?
1. 0 hours
2. 0.50 hours
3. 2 hours
4. 2.25 hours