Vision is the purpose of your business. Profit is a necessary condition of your healthy, abundant business. Each business and each person within a business has a required profit amount to achieve the purpose and calling of their life.
What is the required profit for your business?
Once you know that, use your projected profit margin to reverse engineer your business to determine your revenue target and required sales (transactions, clients served, widgets sold, etc) and further identify the number of qualified leads you will need to create in 2020.
This is the 2nd of 5 key steps of a robust business plan.