title: Compare three excel columns to find the lowest number and highlight it
body: <p>I have three excel columns containing different prices. I would like to run through these columns and find the lowest price and highlight it with a different cell colour or change its text colour.</p>
  
  <p>Example:<br/></p>
  
  <pre><code>  A1 -&gt; 21,000
    B1 -&gt; 3,000
    C1 -&gt; 7,500
  </code></pre>
  
  <p><br/>
  The cell to be highlighted would be <strong>B1</strong>.</p>