A company manufactures and sells two models of lamps, L, and La. To manufacture each lamp, the manual work involved in model L, is 1/3 hour and for L2, 1/2 hour. The mechanical (machine) work involved for L, is 1/3 hour and for L, 1/6 hour. The manual work available per month is 100 hours and the machine is limited to only 80 hours per month. The profit per unit is $15 and $10 for L, and La, respectively. Suppose the profit on Model L. lamp is increased from $10 to $20. Calculate the optimal profit. Use whole number. Do not use dollar sign. Solver Sensitivity Report Adjustable Cells Final Reduced Objective Allowable Allowable Cell Name Value Cost Coefficient Increase Decrease $C$4 L1 210 0 15 5 8.333333333 $C$5 L2 60 0 10 12.5 2.5 Constraints Final Shadow Constraint Allowable Allowable Cell Name Value Price R.H. Side Increase Decrease $CSS Machine 100 7.5 100 140 20 $C$7 Manual 80 37.5 80 20 46.66666667 $C$9 Non-negativity for L1 210 0 210 1E+30 $C$10 Non-negativity for L2 60 0 60 1E+30