Joomla 2.5 Virtuemart 2 Shipping not being added to the order

Our shopping cart at www.escapesurfboards.com  has suddenly started not adding the shipping amount to the order. 

The solution was to go into administrator .

>  'components'

>  'virtuemart'

> on the left handside click on  Shop >> 'Shipment Methods'

>  Click on the Shipment Method you want to change

> Click on the 'Configuration' tab

> at the bottom change the amount for 'Minimum Amount for Free Shipment'