Perez started its business in 2017. Since then, the following gains and losses on its stock trading investments have been recorded in the income statement: 2017 2018 2019 Profit (loss) from the sale of equity-traded investments 15000 (20000) 14000 Unrealized holding losses for investing in shares (25,000) - (30000) Unrealized holding gain for equity investment - 10,000 -

On 1/1/2020, Perez owned the following securities (portfolio): the cost DRK Shares (15,000 shares) 450000 LRF shares (2000 shares) 210,000 DaRK shares (1000 shares) 115000

If you knew that the company carried out during the year 2020 the following operations: 1. Selling 5,000 DKB shares at a value of 17,000 dinars. 2. I owned (purchased) 1,000 HOR shares at a price of 40 dinars per share, and the purchase commission for this transaction amounted to 1,000 dinars (as the company intends to keep it for the long term).

The fair value of the shares of Perez's portfolio as at 31/12/2020 was as follows: fair value DRK company shares 28 dinars per share LRF company shares 110 dinars per share DaRK company shares 28 dinars per share HOR company shares 42 dinars per share

Required : 1. Preparing a table showing the balance in the fair value adjustments on December 31, 2019 (after making the adjustment entry for 2019). 2. Preparing a table showing the total cost and fair value of Perez's portfolio shares on 31/12/2020 and determining the balance of unrealized holding gains (losses) on 31/12/2020. 3. Proof of adjustment required based on your analysis in Clause (2) above (Change in Fair Value)