It costs Garner 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 3000 scales at $15 each. Garner would incur special shipping costs of $1 per scale if the order were accepted. Garner has sufficient unused capacity to produce the 3000 scales. If the special order is accepted, what will be the effect on net income? $6000 increase $6000 decrease $9000 decrease $45000 increase