On December 31, Louis Jeweler's Made an Adjusting Entry to Record

On December 31, Louis Jeweler's made an adjusting entry to record $4,200 accrued interest payable on its mortgage. On January 10, the mortgage payment was made. This payment included interest charges of $6,300, $2,100 of which were applicable to the period from January 1 through January 10. In recording this mortgage payment the accountant should:

A) Debit Interest Expense $2,100 and debit Accrued Interest Payable $4,200.
B) Debit Interest Expense $6,300.
C) Debit Accrued Interest Payable $6,300.
D) Debit Interest Expense $2,100 and credit Accrued Interest Payable $4,200.