Answer:
The interval of the investment is 20 years, so it is better to allocate a 30 percentage of the income on investments because this will serve as guaranteed sustainable income for the future.
The investment should be in two different types of 15%, 15%. This will help Incase something happens to one. And a return of at least 10% on each for 20 years will be alright. Thank you.
Step-by-step explanation:
In investments risk, income and return should be considered with economic state.