Consider the sensitivity report below for the problems which follow. variable cells cell name final value reduced cost objective coefficient allowable increase allowable decrease $b2 units produced x1 50 0 25 97.5 3.125 $c$2 units produced x2 25 0 35 5 27.85714286 constraints cell name final value shadow price constraint R.H side allowable increase allowable decrease $d6 additive used 175 0 300 1E+30 125 $d$7 extrusion used 450 4.239130435 450 338.2352941 164.2857143 $d$8 packaging used 400 .543478261 400 230 287.5 What is the decrease in the objective value if 60 units of additive are taken away?