Assume that the Natural Fertilizer Company produces 100 pound sacks of 20-20-15 fertilizer for lawns, 100 pound sacks of 10-14-9 fertilizer for gardens, and 100 pound sacks of 7-5-8 fertilizer for trees, where the numbers are the percentage by weight of nitrate, phosphate, and potash, respectively, in each sack. Assume also that the company has on hand 13 tons of nitrate, 12 tons of phosphate, and 10 tons of potash, Assume also that the profit on each sack of lawn fertilizer is $15.00, the profit on each sack of garden fertilizer is $7.00, and the profit on each sack of tree fertilizer is $4.00. Finally, assume the company has a contract to supply at least 1.5 tons of garden fertilizer. How many sacks of each type of fertilizer should the company make in order maximize its profit