Aircraft are expensive and owning one requires hefty Capital Expenditure. For example, a Boeing $737-700$ is priced in the range of $$58\mathrm{.}569\mathrm{.}5$ million. Airlines also typically have low margins so very few airlines can afford to pay cash for all their fleet. Do you agree that commercial aircraft, such as those operated by airlines, need to use more sophisticated leases and debt financing schemes? Discuss the pros and cons of financing an aircraft fleet.