It costs Oriole Company $12 of variable and $5 of fixed costs to produce one bathroom scale which normally sells for $35. A foreign wholesaler offers to purchase 2100 scales at $15 each. Oriole Company would incur special shipping costs of $1 per scale if the order were accepted. Oriole has sufficient unused capacity to produce the 2100 scales. If the special order is accepted, what will be the effect on net income? O $31500 increase O $4200 decrease O $4200 increase O $6300 decrease