2 A gardener has supply of fertilizer A which consists of 10% nitrogen and 6% phosphoric acid and fertilizer B which consists of 5% nitrogen and 10% phosphoric acid. After testing the soil conditions, he finds that he needs at least 14 of nitrogen and 14 kg of phosphoric acid for his crop. If fertilizer A costs 10.60 per kg and fertilizer B costs 8.40 per kg, what is the kg minimum cost at which the farmer can meet the nutrient requirement by using a combination of both types of fertilizers? (a) 1488 (b) 1576 (c) 1648 (d) 1732​