title: Update a column which is in money datatype by concatenating with '$' symbol
body: <p>I have a table called TABLE_A which has a column called Unitcost that is in money datatype, I have to update Unitcost by ((Cost/Pack)*Count) where these Cost,Pack and Count are other columns in TABLE_A </p>
  
  <pre><code>Note: Unitcost  is Money 
        Cost is  Money 
        Pack is int
        Count is nvarchar
  </code></pre>
  
  <p>TABLE_A final output should be like this with updated Unitcost </p>
  
  <pre><code>ID   |  Cost  |  Pack  | Count  |  Unitcost 
  ----------------------------------------------
  01   | 12     | 1      |  1     |  $12
  
  01   | 12     | 2      |  1     |  $6
  
  01   | 40     | 4      |  2     |  $20
  
  01   | 12     | 1      |  2     |  $24
  </code></pre>
  
  <p>'$' symbol should come in the Unitcost  column with value. I need a query. plz help.</p>