There are 4 stores D1 , D2 , D3 , and D4 demanding for sugar ( per TON ) and 4 factories to supply . The demand for the sugar is 32 , 65 , 40 , and 17 per year respectively The factories , S2 , S3 forecasted inventory per year are 63 , 46 , and 65. Given the cost per location respectively :

D1 to , S2 , is 12 , 7 , and 14

D2 to 1 , S2 , is 10 , 13 , and 16

D3 to 1 , S2 , is 9 , 14 , and 17

D4 to S1 , S2 , S3 is 11 , 13 , and 18