A doctor has worked as a general practitioner for several years, earning an annual salary of $$150,000.$ They are now deciding whether they want to open their own private practice or continue as a team member in the existing office. Onetime start$-$up costs for the practice would be $$100,000.$ If they open their own practice, they will receive a salary of $$50,000$ from the business annually until the practice is well$-$established. They anticipate the practice will take two years to become fully established. They paid $$200,000$ for medical school. They should open their own practice if the future benefits exceed?