Data from Marketing Department shows that Grade 1 and Grade 2 petrol can be sold to distributors at $2.00 per litre and $1.60 per litre, respectively. For the current production-planning period, JJ will be able to obtain the three petroleum components in the quantities shown in the table below. process, i.e., a litre of petroleum components produces a litre of petrol. Average quality index of Grade i petrol (j=1,2) = (Quality points of Grade i petrol) / (Quantity of Grade i petrol produced). where Quality points of Grade i petrol = (Quality index of Component 1)( Quantity of Component 1 in Grade i petrol) + (Quality index of Component 2)"(Quantity of Component 2 in Grade i petrol) + (Quality index of Component 3) (Quantity of Component 3 in Grade i petrol) litres of Petroleum Component i used in Grade j petrol for i=1,2,3, and j=1,2. At the optimal production plan, please answer the following questions: Your answer for X1,2 is thousand liters. Your answer for X2,1 is thousand liters Your answer for X3,1 is thousand liters Data from Marketing Department shows that Grade 1 and Grade 2 petrol can be sold to distributors at $2.00 per litre and $1.60 per litre, respectively. For the current production-planning period, JJ will be able to obtain the three petroleum components in the quantities shown in the table below. process, i.e., a litre of petroleum components produces a litre of petrol. Average quality index of Grade i petrol (j=1,2) = (Quality points of Grade i petrol) / (Quantity of Grade i petrol produced). where Quality points of Grade i petrol = (Quality index of Component 1)( Quantity of Component 1 in Grade i petrol) + (Quality index of Component 2)"(Quantity of Component 2 in Grade i petrol) + (Quality index of Component 3) (Quantity of Component 3 in Grade i petrol) litres of Petroleum Component i used in Grade j petrol for i=1,2,3, and j=1,2. At the optimal production plan, please answer the following questions: Your answer for X1,2 is thousand liters. Your answer for X2,1 is thousand liters Your answer for X3,1 is thousand liters