Phprunner 4.0 Report - Global Summary Total

How can I change the view of the Global Summary to represent $Dollars. The report generator allows you to change the column to currency but there is no easy way to change the totals to currency. How should I go about this with little coding knowledge. <img src='https://asprunner.com/forums/file.php?topicimage=1&fieldname=question&id=5134&image=1&table=forumtopics' class='bbc_emoticon' alt=':(' />