Catrina Santana contributed a patent, accounts receivable, and $23,130 cash to a partnership . The patent had a book value of $8,040. However, the technology covered by the patent appeared to have significant market potential. Thus, the patent was appraised at $79,030. The accounts receivable control account was $34,760, with an allowance for doubtful accounts of $2,120. The partnership also assumed a $10,000 account payable owed to a Santana supplier.