Solution :
We calculate the advances form the customer to be reported as the current liability as on Dec. 31, 2009 in the balance sheet as follows :
<u> Particulars </u> <u> Amount ($)</u>
Customer advances the balance Dec 31, 2008 110
Add : advances that is received with 2009 orders is 195
Less : advances applicable to the orders in 2009 -180
Less : advances from orders that are canceled in 2009 <u> -45 </u>
Advances from the customers liability Dec. 31, 2009 80
Therefore, the advance from the customer to be reported in the balance sheet as the current liability is $80.