Maple Company borrows $200,000 on January 1 and signs a $200,000, 4%, 9-month note. Interest is due at maturity on September 30. What adjusting entry should the borrower have made on June 30 before preparing its financial statements?

a) Debit interest payable $4,000; credit cash $4,000.

b) Debit interest expense $4,000; credit cash $4,000.

c) Debit interest payable $4,000; credit interest expense $4,000.

d) Debit interest expense $4,000; credit interest payable $4,000.