Sell something for me

We are looking for 3 sales people on commission basis who can call the physician offices within the USA.   Services: Medical Billing and Coding Service for Physician Offices    Minimum Sale: Mandatorily 4 physicians contracts should be signed every month. Contract with physicians should be signed with minimum 5% on the Collections. 20% one time share will be given on the additional % signed over and above 5%. Monthly average invoice raised for every new set of 4 clients should be minimum $3200 per month.