Answer:
Excess of investment center income over the minimum return set by the management.
Step-by-step explanation:
Residual income can be defined as the continuous flow of cash after a particular work/task has been completed. This means an individual continuous to get payment after a work is done. This includes the amount of money that is acquired from business investments, royalties gotten from a published article or book, renting of an apartment, creating an application, working with different affiliates.
Residual income enables an individual to work on other business opportunities while still earning money from the previous efforts.