What are the main methods to evaluate the return on investment? What are the differences and connections between these methods?

Return on investment, also known as return on investment, is an important indicator reflecting the level of return on investment of investors. For investors, how to choose the most cost-effective product by calculating the return on investment is also an essential item in investment and financial management. The return on investment can truly reflect the essence of investment income, not how much you earn and how much you lose.

There are two differences:

Calculation method of expected income;

Calculation method of real rate of return.