In this module, User may define different discount Rate for different Stock Group on Ledger and also User may opt to pick the discount rate from Primary Stock Group or Sub Stock Group. If User don't opt for discount rate on Ledger, user may pick it from Stock Group directly. In this way, user may opt for different discount rate for different items for a single ledger in single invoice.

Benefits
• Easy maintain of sales bill.
• Easy maintain of discount as per stock item and ledgers.