Russell Preston delivers parts for several local auto parts stores. He charges clients 0.85 per mile driven. Russell has determined that if he drives 3,000 miles in a month, his average operating cost is $0.75 per mile. If he drives 5,000 miles in a month, his average operating cost is $0.55 per mile. Russell has used the high-low method to determine that his monthly cost equation is: total cost = $1,320.00 + $0.25 per mile. Required: 1. Determine how many miles Russell needs to drive to break even. 2. Assume Russell drove 2,600 miles last month. Without making any additional calculations, determine whether he earned a profit or a loss last month. Loss Profit Determine how many miles Russell must drive to earn $1,500.00 in profit. Prepare a contribution margin income statement assuming Russell drove 2,600 miles last month. (Enter your answers rounded to 2 decimal places.) Use the above information to calculate Russell's degree of operating leverage. (Round your answer to the 2 decimal places.)