Dear Sir,
Please check my reply. I haven't said that there is any rule/regulation that exists, my contention is that it can be to that particular extent. In Hotel like Taj you get a Tea for ₹ 500/- whereas on Road side Dhaba, you can get it at ₹ 10/- only. Now, see the difference and the profit margin incorporated in such types of transactions.
Now coming back to Service Sector profit margin, we all know in consultancy business we just play due to our study, understanding and knowledge. Our cost uses to be very low in terms or in comparison to our fees i.e. near about to Profit Margin of 75% to 100%. Or sometimes 1000%. Yes, believe me.
Regards
YAGAY and SUN