Can anybody help me solve this question, I guess my answer is incorrect?
Mr. Vikas Verma owns a fleet of 3 taxis, where he pays his driver ₹ 3000 per month. He also insists on keeping an attendant for ₹ 1500 per month in each of his taxis. Idling requires 50 ml of fuel for every minute of idling. For a moving taxi, the fuel consumption is given by 12 km/per litre. On a particular day, he received the following reports about the three taxis.