Based on Overland Trucking Case IMA Educational Case Journal 2014.pdf

Question 5. Over-land has business relationships with independent contractors, though Alan is reluctant to use them. Another possibility for expanding capacity is to outsource the miles requested by FHP. One of Over-land's most reliable independent contractors has quoted a rate of $1.65 per mile. As with question 4, assume FHP would agree to pay $2.20 per mile if Over-land would sign a five-year contract. Further, assume Over-land would incur incremental fixed costs of $20,000 annually. These costs would include insurance, rental trailers, certain permits, salaries and benefits of garage maintenance, and office salaries such as billing. How many annual miles are required for Overland to break even if the miles are outsourced? What is the expected annual increase in profitability from the FHP contract? What are your conclusions?

Can you help me understand how to figure this question?