A client has a calendar year-end. Listed below are four events that occurred after December 31. Which one of these subsequent events might result in adjustment of the December 31 financial statements?

A client has a calendar year-end. Listed below are four events that occurred after December 31. Which one of these subsequent events might result in adjustment of the December 31 financial statements?

a. Sale of a major subsidiary.
b. Adoption of accelerated depreciation methods.
c. Write-off of a substantial portion of inventory as obsolete.
d. Collection of 90% of the accounts receivable existing at December 31.