Journalize the entries to correct the following errors: a. A purchase of supplies for $234 on account was recorded and posted as a debit to Supplies for $479 and as a credit to Accounts Receivable for $479. (Record the entry to reverse the error first.) If an amount box does not require an entry, leave it blank. b. A receipt of $5,580 from Fees Earned was recorded and posted as a debit to Fees Earned for $5,580 and a credit to Cash for $5,580. If an amount box does not require an entry, leave it blank.