a company sells accounts receivable with recourse including the following information:

the book value is $100,000$

the purchaser immediately pays $80\%$ of the factored amount, retaining the remainder to cover its fee $(5\%$ of the total factored amount$)$ and to provide a cushion against potential sales returns.

The company estimates the fair value of the remaining $20\%$ to be $18,000.$

The company records a loss on the sale of $9,000.$

What is the company's estimated recourse liability?