using the output below, how much is each additional unit of skilled labor worth?

Using the output below, how much is each additional unit of skilled labor worth? Variable Cells Reduced Cost Cell Name $B$18 SemiAuto $C$18 Robotic $D$18Manual Final Value 74 23 0 0 0 Objective Allowable Coefficientlncrease 8 00 628.5714 1 000 1666.6667 500 320.2531 Allowable Decrease 432.4786 440 1E+30 -320.253 Constraints Cell Name $B$24 Skilled labor $B$25Unskilled labor $B$26 Assembly line Final Value 4500 9000 1566.46 Shadow Price 5.57 6.33 0 Constraint Allowable Allowable R.H. Side Increase Decrease 4500 36052631 1800 9 000 3805.5556 5850 2000 1E+30 433.5443 $74.500 $6.329 $3.250 $5.570 $22.790 Using the output below, how much is each additional unit of skilled labor worth? Variable Cells Reduced Cost Cell Name $B$18 SemiAuto $C$18 Robotic $D$18Manual Final Value 74 23 0 0 0 Objective Allowable Coefficientlncrease 8 00 628.5714 1 000 1666.6667 500 320.2531 Allowable Decrease 432.4786 440 1E+30 -320.253 Constraints Cell Name $B$24 Skilled labor $B$25Unskilled labor $B$26 Assembly line Final Value 4500 9000 1566.46 Shadow Price 5.57 6.33 0 Constraint Allowable Allowable R.H. Side Increase Decrease 4500 36052631 1800 9 000 3805.5556 5850 2000 1E+30 433.5443 $74.500 $6.329 $3.250 $5.570 $22.790