The Chris Beehner Company manufactures two lines of designer yard gates, called model A and model B. Every gate requires blending a certain amount of steel and zinc; the company has available a total of 25,000 lb of steel and 6,000 lb of zinc. Each model A gate requires a mixture of 125 lb of steel and 20 lb of zinc, and each yields a profit of $60. Each model B gate requires 100 lb of steel and 30 lb of zinc and can be sold for a profit of $35. The aim of the objective function for Chris Beehner Company should be to Maximize the objective value. The optimum solution is: Number of Model A gates to be produced (round your response to two decimal places).