In a regular week, there are 5 working days and for each day, the working hours are 8. A man gets Rs. 2.40 per hour for regular work and Rs. 3.20 per hours for overtime. If he earns Rs. 432 in 4 weeks, then how many hours does he work for?

1. A Option A: 160
2. B Option B: 175
3. C Option C: 180
4. D Option D: 195

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