How To automate Customer Incoming payment process

Question

HI
Our Client wish to automate Incoming payment  process on the basis of below discount structure, In our client get majority of incoming payment through  down payment and clear it the basis of FIFO method
Example
Down payment  =1000
INV1.400
INV2.800
Will clear  INV1 .400 with full amount
Will clear NV2. 800 with part payment and apply below discount percentage
                 0-6 days
               6-12days
                12-18days
                   3%
                  2%
                  1%
Kindly guide me the feasibility implementing this process with valuable thoughts
Regards
Ajeesh.s

Answer 1

Dear Expert
Example
Down payment  =1000
INV1.400
INV2.800
Will clear  INV1 .400 with full amount
Will clear NV2. 800 with part payment  600  and 100  paid out with in    6-12 days  remaining 100  paid out with in 1 2-18 days ,  this is the scenario
Here INV2
                 0-6 days
               6-12days
                12-18days
                   3%
                  2%
                  1%
Kindly guide me the feasibility implementing this process with valuable thought