Department C has earned $142.5 million residual income as compared to $40 million earned by department P. Residual income allows us to compare the dollar amount of residual income earned by different departments. Since the residual income in both cases is positive, we conclude that both have met the minimum return requirements. However, with residual income is not easy to compare performance.
The list of passive income ideas could go on forever. As you search for the best fit, keep an eye out for ideas that show positive long-term track records. Do other people make money on the idea? Has it come back to bite someone who tried it? Some people ask me about passive income options like drink, vending, or other rental machines in public places. The bottom line? Don’t fall for any passive income ideas that promise a quick return or require huge amounts of money upfront. They will sabotage your other financial goals. Look for ideas that are steady, profitable, and trustworthy. Do your research. And never go into debt!
With $200,000 a year in passive income, I would have enough income to provide for a family of up to four in San Francisco, given we bought a modest home in 2014. Now that we have a son, I'm happy to say that $200,000 indeed does seem like enough, especially if we can win the public-school lottery to avoid paying $20,000 to $50,000 a year in private-school tuition.
Residual income is income that a person continues to make after the work he has put into a project has been completed. Residual income is different from linear income in that linear income refers to someone’s salary. Salaries are paid based on the number of hours someone works in the present, rather than the royalties someone can earn on work that was done in the past. To explore this concept, consider the following residual income definition.
As doctors, we most likely fall into the first category. We may be rich in the sense that our salaries are in the higher economic range, however, because of our expenses (houses, cars, student loan debt, private school tuition, practice overhead, etc.) and sometimes poor decisions, we have a tough time accumulating any real wealth. We’re also handicapped by the fact that we start along this financial journey relatively later in life.
Residual income can have two different definitions or applications. The first definition, a less common application of residual income, is the money that is left after monthly debts are paid. This calculation is particularly important when a person is seeking financing or a loan based on their income and available money to cover the additional debt. In this scenario, the residual income is calculated by this formula:
The organizing principle behind this grouping, appropriate economic units, is relatively simple: if the activities are located in the same geographic area; if the activities have similarities in the types of business; or if the activities are somehow interdependent, for instance, if they have the same customers, employees or use a single set of books for accounting.
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