XYZ Corp issued $$600,000$ of $9\%,10-$year bonds on June $30,2020,$ for $$562,500.$ This price provided a yield of $10\%$ on the bonds. Interest is payable semiannually on December $31$ and June $30.$ If XYZ uses the effective$-$ interest method, what is the amount of interest expense that has accrued if the accounting period ends on October $31,2020.$ A$)$ $$27,000$ B$)$ $$28,125$ C$)$ $$18,750$ D$)$ $$20,000$