As of December 31, 2020, closing date, Frye Co. owes a note payable for \ $ 6,000,000 due on February 14, 2021. On January 10, 2021, Frye finally obtained a bank loan of \ $ 4,500, 000 ^ at 12 \% for 5 years, which has already been negotiated since 2020. The loan will serve, in part, to pay the promissory note of \ $ 6,000,000 that will mature on February 14, 2021 When the due date arrived, Frye I settled the promissory note by writing a check from his checking account for \ $ 2,400,000 and using the funds from the bank loan to pay the remainder. Based on this data, what amount related to the promissory note should be disclosed as long-term debt as of December 31, 2020?