Q25. An oil company has two depots A and B with capacities of 7000 litre and 4000 litre respectively. The company is to supply oil to three petrol pumps D, E and F, whose requirements are 4500 litre, 3000 litre and 3500 litre respectively. The distance (in km) between the depots and the petrol pumps is given in the following table : Assuming that the transportation cost per km is Rs 1 per litre, how should the delivery be scheduled in order that the transportation cost is minimum? What is the minimum cost?
