Peoria Packing & Butcher shop produces a sausage mixture in 200 pound batches. The mixture contains three ingredients – chicken, veal and pork. The cost per pound of each of these ingredients is as follows: chicken $3 per pound, veal $8 per pound and pork $4 per pound. Each batch of sausage mixture has the following recipe requirements: at least 75 pounds of chicken, at least 25 pounds of veal. Also, the ratio of chicken to pork must be at least 3 to 1. The company wants to determine the optimal mixture of ingredients that will minimize cost. Write the LP formulation