The Philco Chemical Corporation produces three chemicals used in the oil industry. Monthly data about these three products tor the year ending December 31, 2013 is as tollows: - m- \"m Estimated Demand per month (tons) 2,100 1,500 Contribution Margin {CM} per ton $04.00 $23.00 $42.00 Machine Hours (MH's} Required per ton -- Monthly Contracted Production {tons} -1,500 Due to a breakdown in one ot the machine used to process these chemicals Fhilco Corp. will be restricted to a maximum of 10,000 MH's per month for four months. In the meantime Fhilco must determine the most profitable way to schedule production tor the coming tour months. .31] Write down the objective function and all relevant constraints in proper mathematical notation