Answer:
a. debit
b. $90,000
Explanation:
The complete journal entries for the payment of principal at maturity is to debit bond payable in the amount of $90,000, and credit cash in the amount of $90,000 also. This will appear in the book as follows:
Details Dr ($) Cr ($)
Bond payable 90,000
Cash 90,000
Being the bond payment of principal at maturity.
Therefore, if bonds are sold at par value, the issuer records the payment of principal at maturity with a debit to bond payable in the amount of $90,000.