Yeah, if you look at the box you will see cash, new contributions, Profit (interest), dividend, number of workers, and Profit/Worker. That last is what gets paid to each of your workers.
There is a cool way to make a lot of money on the investment funds, but it will have to remain my little secret. I was recently rebuked for sharing juicy tidbits. However, the method is insanely profitable, especially when you get the fund up in the trillions and your people will love you for it.