20%is the answer to this question. It has always been reiterated that making the right investment is important but it is sad that not all people actually push through with having an investment. If you are still not sure if you should start investing, you can take a look at the different companies available right now.
There are some companies that will provide you with compensations too. The more products and services that the general public will like, the better your company is going to be not only in terms of the reputation of your company but also with the sales of the company. The higher the sales the better it would be.