Transactional level debt addition after splitting expense entry

Situation: If you have spent 500 in group of 3 people. And other 2 said they will pay me back. Imagine this with 10 such transactions with different people. This is the mostly scenario of college student, office colleagues, pg mates etc.

Once they pay me back in cumulative sum, then i can select a transactions for which debt is written off or for all txn if amount is total.

Debt view per week or month also should be added.