How to Value a Company by Increasing Returns on Capital?

The problem with all these questions are the difference between incremental returns on capital and average returns. Most great business is that, you see many of them a they are simply maintaining high returns because they had high return projects in the past. And so when you talk about what the company had to do to reinvest in the business to grow, all you have to do is figure out what would be the incremental return on capital of that project. The problem is that it's basicaly a number we can't measure. So next question. Do you recommend any other content about this way of valuing a company? I'm reading on average, three to five ten ks a week. No, i