Bob began Year 5 with one trading debt security in its portfolio (that it had purchased back in year 2). It had a total book value of $8,500 (including Fair Value Adjustment - Trading Securities account) at the beginning of Year 5. The FVA account specifically had a debit balance of $1,000.

1) What was Bobs original purchase price of the asset?

2) With only the information already provided, do we know how much of an effect this security had on any individual years net income so far?

3) Assume Bob sells the security in year 5 for $8,900. What is the realized gain/loss on this transaction?

4)What is the effect of this security on Year 5 Net Income?

Please show work and explain.