How Do You Choose Investors?

You have to imagine that in every round, like your seed round, your a round, and then it's decreasing at b and c. You're probably in a cell between 20 and 30 % of your company overtime. So the question is, has to do witha raising o a convertible with a cap, if you raise 250 s? And how should you think about what your cap should be? And can you vary that cap across different investors? May i think the cap question has a lot to do with the market,. And what choices you have.