Graham Stewart looks at the work/life balance and explores how far companies can accommodate their employees' welfare without it adversely affecting the bottom line. Joe Costello, whose wide business career has seen him as an employee, an owner and an executive, tells us why looking after the workers is so important; and Babs McGregor from The Scottish Wholefood Collective Warehouse (trading as GreenCity Wholefoods) explains how a business can be run by its employees. Peter Vardy, who runs a car dealership bearing his own name, tells our business editor Douglas Fraser how his relationship with his staff led to him shutting up shop on a Sunday. And our reporter Gillian Sharpe gathers opinion on whether money really does buy you happiness.