Russell Preston delivers parts for several local auto parts stores. He charges clients $0.75 per mile driven. Russell has determined that if he drives 3,700 miles in a month, his average operating cost is $0.70 per mile. If he drives 5,700 miles in a month, his average operating cost is $0.50 per mile. Russell has used the high-low method to determine that his monthly cost equation is total cost = $1,085+$0.13 per mile. Required: 1. Determine how many miles Russell needs to drive to break even. 2. Assume Russell drove 2,000 miles last month. Without making any additional calculations, determine whether he earned a profit or a toss last month. 3. Determine how many miles Russell must drive to earn $2,015 in profit. 4-a. Prepare a contribution margin income statement assuming Russel drove 2,000 miles last month. 4-b. Use the information provided in Req 4 a to calculate Russell's degree of operating leverage. Complete this question by entering your answers in the tabs below. Determine how many miles Russell needs to drive to break oven. a loss last month. 3. Determine how many miles Russell must drive to eam $2,015 in profit. 4-a. Prepare a contribution margin income statement assuming Russell drove 2,000 miles last month. 4.b. Use the information provided in Req 4 a to calculate Russell's degree of operating leverage. Complete this question by entering your answers in the tabs below. Detemine how many miles Russell needs to drive to break even. a loss last month. 3. Determine how many miles Russell must drive to earn $2,015 in profit. 4-a. Prepare a contribution margin income statement assuming Russell drove 2,000 miles last month. 4-b. Use the information provided in Req 4 a to calculate Russell's degree of operating leverage. Complete this question by entering your answers in the tabs below. Assume Russell drove 2,000 miles last month. Without making any additional calculations, determine whether he earned a profit or a loss last month. a loss last month. 3. Determine how many miles Russell must drive to earn $2,015 in profit. 4-a. Prepare a contribution margin income statement assuming Russell drove 2,000 miles last month. 4-b. Use the information provided in Req 4 a to calculate Russell's degree of operating leverage. Complete this question by entering your answers in the tabs betow. Determine how many miles Russell must drive to earn $2,015.00 in profit Prepare a contribution margin income statement assuming Russell drove 2,000 miles last month. 3. Determine how many miles Russell must drive to earn $2,015 in profit. 4-a. Prepare a contribution margin income statement assuming Russell drove 2,000 miles last month. 4-b. Use the information provided in Req 4 a to calculate Russeil's degree of operating leverage. Complete this question by entering your answers in the tabs below. Use the information provided in Req 4 a to calculate Russeli's degree of operating leveroge. (Round your answer to the 2 decimal pinces.)