please help with this small question

Mr. X acquires 200 shares of a company on cum-right basis for 360,000. He subsequently receives an offer of right to acquire fresh shares in the company in the proportion of 1:1 at 105 each. He does not subscribe but sells all the rights for 15,000. The market value of the shares after their becoming ex-rights has also gone down to 350,000. What should be the accounting treatment in this case