I (a). A gas processing plant receives a fixed amount of raw gas each week. The raw gas is processed into two grades of heating gas, regular and premium quality. These grades of gas are in high demand and yield different proint to the company. However, only one of the grades can be produced at a time and the facility is opened for 80hrs/ week. Futhermore, there is limited (a). A gas processing plant receives a fixed amount of raw gas each week. The raw gas is processed into two grades of heating gas , regular and premium quality. These grades of gas are in high demand and yield different proiit to the company. However, only one of the grades can be produced at a time and the facility is opened for 80 hrs/week. Futhermore, there is limited on-cite storaop for each below. Maximize the profit for this operation using simplex (25 marks)