Seal Financial Advisors provides accounting and finance assistance to customers in the retail business. Seal has four professionals on staff and an office with six clerical staff. Total compensation, including benefits, for the professional staff runs about $571,000 per year, and normal billable hours are 8100 hours per year. The professional staff keep detailed time sheets organized by client number. The total office and administrative costs for the year are $754,000. Seal allocates office and administrative costs to clients monthly, using a predetermined overhead allocation rate based on billable hours. What is the predetermined overhead allocation rate that Seal will use for office and administrative costs? (Round your answer to the nearest cent.)