What is the sources of finance of Rolls-Royce PLC?

Rolls-Royce PLC sources its finance from a combination of equity, debt financing, and retained earnings. The company issues shares to raise equity capital, while also utilizing bonds and loans for debt financing. Additionally, Rolls-Royce generates cash flow from its operations, which contributes to its retained earnings and supports ongoing investments in research and development. The company may also engage in partnerships and joint ventures to access additional funding and resources.