M/s Hariharan is dealer of old car and engaged in purchase and sale of old cars in Bihar, furnishes the details of following transactions for the month of August 2020 1. Purchased old car for 80,000/- and sold for 1,20,000/- in Bihar 2. Purchased old car for 75,000/- and sold for 65,000/- in Bihar 3. Purchased old car for 90,000/- but unable to sell during the month of August 20 4. Purchased old car for 1,00,000/- and sold for 1,30,000/- in Orissa Calculate the GST payable in above cases assuming tax rate is 28%