What would be the MVAT liabilities

Swopna (Audit Assistant ) (44 Points)

02 October 2013  
Contactor covered under work contract service, have done below contracts could you please confirm his VAT liabilities according to MAVT Act
         
Purchase 12.5% 50000000      
Input VAT  12.5% 6250000      
Purchase 5% 10000000      
Input VAT 5% 500000      
Labour Purchase 10000000    Payment made to Sub-Contractors    
Gross Purchase 76750000      
         
Sales 12.5% 30000000    Only Material Supply to Builder
Output VAT 12.5% 3750000      
Sales 5% 60000000    Labour with material sales to builder
Output VAT 5% 3000000      
Labour Sales 30000000    Only Labour Supply to builder
Gross Sales 126750000      
         
What would be the VAT Liabilitis accourding to MVAT Act.