Eastern Bank serves both university students and regular customers. For university students, the bank charges \($0.10\) per withdrawal. Regular customers get free withdrawal services. The bank earns 10 percent on the customer deposits by lending the money to other clients, but pays the customers 5 percent on deposits. Each type of customer costs the bank \($20\) in terms of accounting and mailing. The average university student deposit in East Midlands Bank is \($300,\) while regular customers have average deposits of \($1,000.\) University students make an average of 100 withdrawals per year.

Which type of customer is more profitable for the bank?