Multiple Choice (10 questions @ 2 points each) Wing data have been collected for four different cost items. Cost at Cost at 140 units 10,560 5,000 Cost Item 100 units 8,000 5,000 6,500 6,700 9,100 $ $ $ Y 8,580 Which of the following classifications of these cost items by cost behavior is Cost W variable mixed variable mixed Cost X fixed fixed fixed fixed Cost Y mixed variable variable mixed Cost Z variable mixed variable mixed D) A) Choice A B) Choice B C) Choice C D) Choice D Home based