Price of the component SKU was already corrected but when PO confirmation report was generated.. Total retail price appeared was only 675000 instead of 1875000.
Steps:
a. Query POMDTL and SETDTL table to check correct total retail.
b. Manually update total retail amount on Item Detail entry. 
c. Cause of the incorrect total retail is  because the PO was already created before the retail of the SKU 's were corrected thru Price event