Bob makes three different silverware - spoons, forks and knives. Each unit (dozen) of spoon gives him a profit of $9, forks of $20 and knives of $17.50. He has 183 hours of machine time, 250 hours of labor and 185 pounds of steel. It takes him 4 hours of machine time, 4 hours of labor time and 3 pounds of steels to make one unit of spoons. Each unit of forks take 4 hours of machine time, 9 hours of labor time and 2 pounds of steel, while knives take 5 hours of machine time, 5 hours of labor and 4 pounds of steel. It is also found that he should make at least 7 units of spoons in the process. Solve the following linear program The solution is x1 = [Select] + x2 = [Select] x3 = [Select] + with an objective value of [ Select] The resources that were not completely utilized (slack) are: [Select] + If it was decided that at least 12 units of spoons should be made instead of 7, how much would profit increase or decrease? [Select] Bob makes three different silverware - spoons, forks and knives. Each unit (dozen) of spoon gives him a profit of $9, forks of $20 and knives of $17.50. He has 183 hours of machine time, 250 hours of labor and 185 pounds of steel. It takes him 4 hours of machine time, 4 hours of labor time and 3 pounds of steels to make one unit of spoons. Each unit of forks take 4 hours of machine time, 9 hours of labor time and 2 pounds of steel, while knives take 5 hours of machine time, 5 hours of labor and 4 pounds of steel. It is also found that he should make at least 7 units of spoons in the process. Solve the following linear program The solution is x1 = [Select] + x2 = [Select] x3 = [Select] + with an objective value of [ Select] The resources that were not completely utilized (slack) are: [Select] + If it was decided that at least 12 units of spoons should be made instead of 7, how much would profit increase or decrease? [Select]