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Q1. Kids-Toy company uses three operations to assemble three types of toys - trains, trucks, and cars. The daily available times for the three operations are 430,400 , and 410mins, respectively, and the revenues per unit of toy train, truck, and car are 3,2, and 4 (all in SAR), respectively. The assembly times per train at the three operations are 1,3 , and 2 mins, respectively. The corresponding times per truck and per car are (2,0, 4) and (1,2,0) minutes (a zero time indicates that the operation is not used). Using simplex method determine the optimal values of revenue and number of trains, trucks and cars that need to be manufactured