Payments can be allocated with a left click over Un-Allocated Amount. Discounts need to be manually allocated in the Discount Allocated Amount field against the relevant invoice(s). Entering an allocation greater than the transaction amount is changed back to the Discount Amount.
1. Allocate a payment as follows:
left click over Un-allocated Amount against each relevant invoice; ortype in the amount to be allocated in This Allocated Amount field
2. Allocate a Discount as follows:
type in the amount to be allocated in Discount Allocated Amount field
3. Save the changes.
4. You are now back in the Transactions grid and the transaction has been Reconciled.