title: How can I add new field in tier price?
body: <p><code>app/design/adminhtml/default/default/catalog/product/edit/price/tier.phtml</code></p>
  
  <p>Data from one new field <code>Peice_Price</code> is successfully showing in the tier page.
  <a href="https://i.stack.imgur.com/Wn6D4.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/Wn6D4.png" alt="http://i.stack.imgur.com/Wn6D4.png"></a>
  How do I insert the data into table <code>catalog_product_entity_tier_price</code>? I want to save this data when product page save button clicked.</p>