write a xml code in c#

Question

How to write the xml code for the following xml

<SalesReceipt xmlns="http://schema.intuit.com/finance/v3" sparse="false">
  <PrivateNote>Customer Sales Receipt</PrivateNote>
  <Line>
    <Description>Sales only</Description>   
  </Line>
</SalesReceipt>

Can you please suggest a solution

Thanks you.