Please Provide me the calculations method

Biju.V (Accountant) (128 Points)

23 January 2010  

WE ARE IN TO CONTRUCTION BUSINESS            
WE RAISE INVOICE TO OUR CLAINTS LIKE THIS            
             
GROSS AMOUNT 75000          
VAT @ 12.5 ON 75% OF GROSS AMOUNT 7031          
SERVICE TAX @ 10.3 ON 33.33% OF GROSS AMOUNT 2575          
TOTAL AMOUNT 84606          
             
IF OUR CLAINT PAY PART PAYMENT OF RS.50000/- HOW DO I CALCULATE WHAT IS THE SERVICE TAX INVOLVED IT????
             
PLEASE TELL ME THE CALCULATION             

 

THANKS IN ADVANCE

BIJU