For step 7 using version 4.1.6 when doing the bold section you'll actually get a dollar amount there when you go and view the source of the order message page. Of course, the 12345 parts in the code are placeholders for the actual Google stuff pertaining to my account.
{literal}
<script type="text/javascript" src="https://www.googleadservices.com/pagead/conversion.js">
</script>
<noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="https://www.googleadservices.com/pagead/conversion/12345/?value=
{/literal}{section name=oi loop=$orders}{$orders[oi].order.subtotal}{/section}{literal}&label=12345&guid=ON&script=0"/>
</div>
</noscript>
<div style="display:inline;">
<img height="1" width="1" style="border-style:none;" alt="" src="https://www.googleadservices.com/pagead/conversion/12345/?value=
{/literal}{section name=oi loop=$orders}{$orders[oi].order.subtotal}{/section}{literal}&label=12345&guid=ON&script=0"/>
</div>
</noscript>
{/literal}