A fruit grower can use two types of fertilizer in his orange grove, brand A or brand B. The amounts (in pounds) of nitrogen, phosphoric acid, and chloride in a bag of each brand are given in the table. Tests indicate that the grove needs at least 2450 pounds of phosphoric acid and at most 600 pounds of chloride. Answer parts (A) and (B) below. Nitrogen Phosphoric Acid Chloride Pounds per Bag Brand A Brand B 8 5 7 7 2 1 (A) If the grower wants to maximize the amount of nitrogen added to the grove, how many bags of each mix should be used? How much nitrogen will be added? The grower should add bags of brand A and bags of brand B to maximize the amount of nitrogen added