Two crops are grown on land of 20ha.The cost of raising crop 1 is 3unit/ha, while for crop 2 it is 1 unit/ha.The benefit from crop 1 is 5unit/ha and from crop 2, it is 2 unit/ha. A total of 300 units of money is available for raising both crops. What should be the the cropping plan inorder to maximize the total net benefits?