On December $31,2020,$ Buffalo Co$.$ performed environmental consulting services for Hayduke Co$.$ Hayduke was short of cash, anc Buffalo Co$.$ agreed to accept a $$309,400$ zero$-$interest$-$bearing note due December $31,2022,$ as payment in full. Hayduke is somew of a credit risk and typically borrows funds at a rate of $11\%.$ Buffalo is much more creditworthy and has various lines of credit at $7\%$

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