Solve this question using:

a) leastcost method

b) northwest method

c) vogel's approximation method

PROBLEM 10 A farmer's association has launched public competition for the daily transportation of some cereal from the head offices of the three regional warehouses. The daily requirements of the warehouses are amounted to 18, 10 and 8 tons respectively. Overall offers were submitted by three carriers, each specifying the maximum amount of weight that can carry per day. These quantities are equal for all three companies with 12, 16 and 24 tons respectively. The costs for the transportation of one tone of grain from each company in the three regional warehouses are presented in ) in the following table. Warehouses 7000 4000 10000 5000 3000 9000 6000 5000 9000 Companies What contracts exactly would you advise the administration of the partnership to sign, so that on the one hand to minimize the total transportation cost, on the other hand the administration not to be accused for bias in favor of or against any of the carriers