Purple Tortoise Bus Company had the following operating results in the past two years: (10 pts.) 2012 2011 Operating revenues 457,000 310,000 Operating expenses 437,000 285,000 Operating property 212,000 180,000 Net income 6,000 12,000 Long-term debt 170,000 140,000 Estimated passenger miles 4,500,000 3,500,000 Load factor 63% 71% A. Using plain language, explain what the load factor tells the user and interpret the trend. (2 pts) B. For each year: 1. Calculate the operating ratio. (2 pts) 2. Calculate the long-term debt to operating property ratio. (2 pts) Using plain language, explain what the ratio tells the user and interpret the trend. (2 pts) 3. Calculate the income per passenger mile. (2 pts)