Write a business proposal: Buying new aircrafts engines

Write a business proposal about the following scenario:
You are the head of the business department on an Airline and you wants to purchase new engines for 15 Boeing 767-200 because the engines we have are wearing out. The engine is PW JT9D-7R4E (Pratt and Whitney). You are writing this proposal to the CEO to convince him to buy those engines…. You decided to lease those engines. Include the advantages of leasing those engines over buying them. Write an approximate coast per individual engine and the total as well….. How much is it going to cost to operate the engine including how much is it more fuel efficient …. How is it going to affect our operation? Are we going to hire more people…. What are the maintenance crew training plan? Is it including in the price or how much would it cost?….. How much time and money we need to have those engines installed on our fleet. Are we going to installed them all at once or install them in different days?……. how often do we need to check the engine and how much would it cost ( there is daily, monthly, and yearly check)….. how much flight time before overhaul and how much would it cost….discuss the warranty packages…. How are those engines going to save our company on the long run….. Finally, Write a FEASIBILITY……. You should include some citations and quotes. Include WEB LINKS in the resources.