Provide a stepwise synthesis for the following. 
Definitions:
Internal Rate
Refers to the internal rate of return (IRR), a financial metric used to estimate the profitability of potential investments.
Cash Flows
The entire sum of funds moving into and exiting a business, particularly impacting its liquidity and comprehensive financial well-being.
Payback Period
The length of time required to recover the cost of an investment, calculated by dividing the initial investment by the annual cash flow.
Cash Flows
The total amount of money being transferred into and out of a business, affecting the company's liquidity.
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