Victor plans to set up an online business selling software applications that he develops and supports. He believes that a price of $600 for his product including the technical support would be competitive. His monthly fixed expenses amount to $4250, Victor would hire some college students to provide the technical support of the application paying them for 5 hours at $15.50 per hour for each client. If he wants to achieve a target profit of $5000 monthly, how many clients does he need? (Calculate to the nearest one decimal, eg. 12.3)