Salma, Rita, and Munya are partners in SRM Company. After several years of working together, and on 31-12-2021, their capital balances were as follows: Salma $ 50,000, Rita $ 70,000, and Munya ??????. They divide any income or loss between them in a fixed ratio of 30% : 40%: 30%, respectively.

On this day, Munya leaves the partnership, by accepting to receive $ 31,250 cash from the partnership assets, for her share. If you know that Ritas capital increased to $ 75,000, due to this event, What was the original capital amount for Munya on 31/12/2021?