Purchase price for = Rs. 8,000
Expense on transportation = Rs. 1,000
Cost price for Tarun = Rs. 8,000 + Rs. 1,000 = Rs. 9,000
Marked price by Tarun = Rs. 11,700
Sales tax charged by tarun = 10% of 11,700
The customer'* price = Rs. 11,700 + Rs. 1,170 = Rs. 12,870
Profit made by Tarun = Rs. 11,700 - Rs. 9,000 = Rs. 2,700