On September $1,20$X$1,$ Young Corp. borrowed $$15,000$ in cash by signing a six$-$month, $12\%$ note.

The note$$s face value plus interest is due on March $1,20$X$2.$

Young Corp. has a calendar year$-$end.

Question: Assuming the September $1$ and December $31,20$X$1$ journal entries were correctly recorded, the journal entry to record the repayment of the note on March $1,20$X$2,$ should include which of the following?

Note: Round all interest calculations to the nearest whole month and whole dollar.

a$.$Debit to "Interest Expense" for $$600.$

b$.$Debit to "Interest Expense" for $$900.$

c$.$Debit to "Interest Payable" for $$900.$

d$.$Debit to "Interest Payable" for $$600.$