Grant & McKenzie is a firm of financial advisers that needs to calculate an hourly rate to charge customers for its services. The average salary cost for its advisers is £40,000. National Insurance is 11% and the firm pays a pension contribution of 6%. Each adviser has four weeks' annual holiday and there are 10 days per annum when the firm closes for bank holidays and Christmas. Each adviser is expected to do chargeable work for clients of 25 hours per week, the remainder of the time being administrative work. Calculate an hourly rate (to the nearest hour) to cover the cost of each financial advise.