There was a famous barber shop in Lucknow. He used to charge ₹400 per haircut and ₹200 per shave. On an average he used to get 20 customers per day for haircut and 30 per day for shave. The GST rate for haircut was 18% and for shave was 12%. What was the total GST on an average which he used to collect in a day to pay to the Government?