Answer:
The borrower records its receipt of cash and new liability with this entry
Jan 1 Notes Receivable $10,000 Dr.
Sales / Accounts Receivable $10,000 Cr.
Received Note of 3 months with 9% interest
The entry would credit to Sales if it is received against sales or credit to account receivable isf it is received against accounts receivable for a further time period as the case may be.