For Printing Variant Attributes and Attributes Price for the product ..

in product/report/product-label.xml

<?xml version="1.0" encoding="ISO-8859-1"?>
<lots>
 <lot-line type="fields" name="id">
 <code type="field" name="code"/>
 <product type="field" name="name"/>
 <price type="field" name="lst_price"/>
 <ean13 type="field" name="ean13"/> 
 <currency type="field" name="company_id.currency_id.name"/>  
 <!--.....editingg....-->     
 <attribute_value_ids type="zoom" name="attribute_value_ids">         
 <attribute_value_ids_name type="field" name="name"/> 
 </attribute_value_ids>    
 <!--......end....-->   
 </lot-line>
</lots>
 

and u also need to some changes in product_label.xsl

<xsl:template match="lot-line" mode="story"> 
 <blockTable style="mytable" colWidths="2.8cm,5.4cm">  
 <tr>          
 <td>                    
 <para style="nospace"><xsl:value-of select="code"/></para>               
 </td>                  
 <td>                     
 <para style="nospace" t="1"><xsl:value-of select="price"/><xsl:text>  </xsl:text><xsl:value-of select="currency"/></para>
 </td>   
 </tr>            
 <tr>              
 <td>          
 <barCode>
<xsl:value-of select="ean13" />
</barCode>       
 </td>            
 <td>    
 <!--......................Instead of this write the below line for the variant..............-->            
 <!--<para style="nospace"><xsl:value-of select="substring(product, 1, $pmaxChars)"/></para><xsl:text>, </xsl:text>-->    
 <!--<para style="nospace"><xsl:value-of select="variant"/></para>-->          
 <para style="nospace"><xsl:value-of select="substring(product, 1, $pmaxChars)"/></para><xsl:text>, </xsl:text>      
 <para style="nospace"><xsl:apply-templates select="attribute_value_ids"/></para>             
 <!--........................................End............................................-->            
 </td>         
 </tr>      
 </blockTable>
<nextFrame/>
</xsl:template>