Which of the following subsequent events is most likely to result in an adjustment to a company’s financial statements?

Which of the following subsequent events is most likely to result in an adjustment to a company’s financial statements?

a. Merger or acquisition activities.
b. Bankruptcy (due to deteriorating financial condition) of a customer with an outstanding accounts receivable balance.
c. Issuance of common stock.
d. An uninsured loss of inventories due to a fire.