What's the interest rate on this account? <a href="http://hafemann.com.br/site/bem-vindo/foto0710/">best rx promotions</a>  The survey also revealed Britons&rsquo; 10 biggest customer service irritations. They included automated telephone systems, long queues, a lack of knowledge about products, rude staff, and annoying &ldquo;hold&rdquo; music.