You're at the point where you have very specific requirements and the point where you need expertise. Delegate the task to your book-keeper or accountant. Tha

You're at the point where you have very specific requirements and the point where you need expertise. Delegate the task to your book-keeper or accountant. That probably means finding one. It certainly means spending money. If that's a problem, raise your prices because book-keeping and accounting are a cost of doing business. Good luck.