Post $6\mathrm{.}2$: Notes Receivable

On December $31,2025,$ Oakbrook Inc. rendered services to Beghun Corporation at an agreed price of $$184,578,$ accepting $$50,000$ down and agreeing to accept the balance in six equal installments of $$30,000$ receivable each December $31.$ An assumed interest rate of $9\%$ is imputed.

Prepare the entries that would be recorded by Oakbrook Inc. for the sale and for the receipts and interest on the following dates $($complete the amortization schedule below and calculate PV$).($Assume that the effective$-$interest method is used for amortization purposes.$)$