Second National Insurance Company provided this information for its trading securities portfolio:

                    

Required:
  1. Provide the journal entries to record the fair value adjustment on December 31, 2016. Assume that Second National uses an account entitled Fair value adjustment—trading securities to adjust the cost of the trading portfolio to year-end fair values. Show supporting calculations in good form.
  2. Provide the entry to record the sale of Company B’s common shares on July 1, 2017. Assume that the last fair value adjustment for these shares was on December 31, 2016.
  3. Provide the journal entry and supporting calculations for the fair value adjustment on December 31, 2017.
  4. What would the entry to record the sale of Company B common shares on July 1, 2017, have been if this security had been considered an available-for-sale security? Ignore tax effects.