Khan Manufacturing incurs the following unit manufacturing cost in producing its sport earbuds: Variable Costs $50 Fixed Costs 25 A special order for 2,000 units has been received. The unit price requested is $65. The normal unit price is $90. If the special order is accepted, the amount of contribution margin that will be realized assuming there is sufficient capacity to produce the special order. $80,000 $30,000 $(50,000) ($20,000)