BI PUBLSHIER RTF issue with multiple Groups

Hello Team ,

IM working with Oracle BI publihser. 12 c version .

Currently involved in RTF Built up . Im trying to create a Simple Tablular report with 2 column grouping .

The preview is off setting the column positions and table format is going bad . anyone can help me with this.

I have a data sample as below

<?xml version="1.0" encoding="UTF-8"?>

<breakfast_menu>

<food>

  <name>Belgian Waffles</name>

  <price>5.95</price>

  <description>

  Two of our famous Belgian Waffles with plenty of real maple syrup

  </description>

  <calories>650</calories>

</food>

<food>

  <name>French Toast</name>

  <price>7.95</price>

  <description>

  Light Belgian waffles covered with strawberries and whipped cream