Is it redundant and prohibited to use <b>at </b>with <b>about</b> or <b>around</b>? See below.<br/><br/><b>Example 1:<br/></b><br/><br/>On May 6, 2010, <span style="color:rgb(255,0,0);"><b>at</b></span> <b>about</b> 2:10 p.m., John Smith informed me of a $1,900 cash shortage in customer service.<br/><br/>Should it be: <br/>On May 6, 2010, <span style="color:rgb(255,0,0);"></span><b>about</b> 2:10 p.m., John Smith informed me of a $1,900 cash shortage in customer service.<br/><br/><b>Example 2:</b><br/><br/>On May 6, 2010, <span style="color:rgb(255,0,0);"><b>at</b></span> <b>around</b> 2:10 p.m., John Smith informed me of a $1,900 cash shortage in customer service.<br/><br/>Should it be: <br/>On May 6, 2010, <span style="color:rgb(255,0,0);"></span><b>around</b> 2:10 p.m., John Smith informed me of a $1,900 cash shortage in customer service.<br/><br/><b>Example 3:</b><br/><br/>On May 6, 2010, John Smith informed me <b>around</b> 2 p.m. of a $1,900 cash shortage in customer service. <b>(NOT: "at about" or "at around")</b><br/>