Sheffield Corp. incurred the following costs for 60000 units: Variable costs $ 360000 Fixed costs 392000 Sheffield has received a special order from a foreign company for 3000 units. There is sufficient capacity to fill the order without jeopardizing regular sales. Filling the order will require spending an additional $ 4200 for shipping. If Sheffield wants to break even on the order what should the unit sales price be? O $6,00 O $13.93 O $12.53 O $7.40