The following errors were made in recording transactions in posting from the purchases journal. How will these errors be detected?
a. A credit of $2,000 to Thomastown Furniture Company account in the accounts payable ledger was posted as $200.
b. The Accounts Payable column total of the purchases journal was understated by $200.
c. An invoice of $1,680 for merchandise from Johnson Company was recorded as having been received from Baxton Company, another supplier.
d. A $500 payment to Baxton Company was debited to Johnson Company