Which of the following would cause a trial balance not to balance? a. Recording a $350 purchase of supplies on account as a debit to Supplies and a credit to Cash b. A $425 payment on account is unrecorded c. A $400 purchase on account is debited to Supplies for $400 and credited to Accounts Payable for $4,000 d. A $500 purchase of supplies on account is credited to Supplies and debited to Accounts Payable