Z = total profit contribution of the various products of GPIL for the month of May, 2009. P1….8 = profit contribution coefficients i.e. the numerical values that express the per unit contribution to the profit equation.
X1…8 = the set of unknown we are seeking to determine i.e. the various products produce by GPIL. C = technological coefficients i.e. the numerical values that express the per unit usage of the right hand side. B1….8 = the resource values that we seek to fully utilize. T = he maximum labour time available for production within the production period (in hours). t1….8 = the labour time required to produce one unit of the various products of GPIL.