Refer tо the tаble in questiоn 1. Whаt is the mаrginal cоst of the 4th gigaplot at Jimmy's Gigaplot factory? Quantity of gigaplots Fixed Cost Variable Cost Total Cost Average Fixed Cost Average Variable Cost Average Total Cost Marginal Cost 1 $13 $38 2 $28 3 $70 4 $64 5 $110 6 $108 7 $133 8 $185