16. The Lightening Delivery Service has the following information about its truck fleet miles and operating costs: Year 2008 2009 2010 Miles 250,000 300,000 350,000 Operating Costs - low $160,000 $175,000 $210,000 high What is the best estimate of fixed costs for fleet operating expenses in 2011 using the high-low method? A) $100,000 B) $ 50,000 C) $175,000 D) $ 35,000