title: 6070 Error when adding invoice to QbOnline via .net sdk v3
body: <p>I am trying to add an Invoice with above specified XMl but getting 6070 Error Code.Amount is not equal to Qty * UnitPrice.Is there a way to ignore this error. 
  Here is my Add invoice request in Xml format.</p>
  
  <pre><code>&lt;Invoice  xmlns="http://schema.intuit.com/finance/v3"&gt; 
    &lt;DocNumber&gt;    aa444&lt;/DocNumber&gt;
    &lt;TxnDate&gt;2013-08-06&lt;/TxnDate&gt;
    &lt;Line&gt;
      &lt;Amount&gt;20.00&lt;/Amount&gt;
      &lt;DetailType&gt;SalesItemLineDetail&lt;/DetailType&gt;
      &lt;SalesItemLineDetail&gt;
        &lt;ItemRef name="HomecareServices"&gt;5&lt;/ItemRef&gt;
        &lt;UnitPrice&gt;20&lt;/UnitPrice&gt;
        &lt;Qty&gt;2&lt;/Qty&gt;
        &lt;TaxCodeRef&gt;NON&lt;/TaxCodeRef&gt;
        &lt;ServiceDate&gt;2013-08-01&lt;/ServiceDate&gt;
      &lt;/SalesItemLineDetail&gt;
    &lt;/Line&gt;
    &lt;CustomerRef name="ABCD"&gt;10&lt;/CustomerRef&gt;
    &lt;BillAddr&gt;
      &lt;Line1&gt;ABCD- 10&lt;/Line1&gt;
    &lt;/BillAddr&gt;
    &lt;DueDate&gt;2013-08-10&lt;/DueDate&gt;
    &lt;TotalAmt&gt;20.00&lt;/TotalAmt&gt;
  &lt;/Invoice&gt;
  </code></pre>