These are questions your accountant should be giving you as thats what we pay them for if you don't have one, get one, and also, try them out and determine which one is best for you as, if you aren't comfortable , try another, cause they should be your friend as well as your advisor, I have,had mine for about 40 yrs now, he refuses to come to my house cause I haven't bin to his, lately, and thats what you need is a personal friend , and business advisor that cares