Deposit Paid: $120.00
Tax: $9.30
Total: $129.30
 
Product Total
Muse: $90.00
Nova Flex: $99.00
Ribbons: $6.00
Elastic: $2.50
Tax: $15.31
Total: $212.81
 
Amount Owed: Product Total with Tax - Deposit Paid with Tax =
$212.81 - $129.30 = $83.51
[The list price of $77.50 is before tax, once tax is applied, the total will be $83.51]