Osokin as an individual entrepreneur concluded

Osokin as an individual entrepreneur concluded

Osokin as an individual entrepreneur concluded an agreement with Stroyservis CJSC on the supply of his products to them. Stroyservice CJSC made a 100% prepayment in the amount of 200 thousand rubles. A few days after receiving the money, Osokin died. The only heiress to him was the daughter of Light for 15 years. There are no other relatives.
Question: how can ZAO Stroyservis return its money and for how long?

Additional information:

After payment you will be available a link to the solution of this problem in the file of MS Word. It should be noted that the problem solutions put up for sale were successfully handed over in the period 2009-2019 and could be outdated. However, the general algorithm will always remain true.