need your assist

(a) In 2018, Royal Ltd. issued 12% fully paid debentures of 100 each, interest being payable half yearly on 30th September and 31st March of every accounting year. On 1st December, 2019, M/s. Kumar purchased 10,000 of these debentures at 101 (cum-interest) price. On 1st March, 2020 the firm sold all of these debentures at 106 (cum-interest) price. You are required to prepare Investment (Debentures) Account in the books of M/s. Kumar for the period 1st December, 2019 to 1st March, 2020. (b) Mr. X acquires 200 shares of a company on cum-right basis for 60,000. 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 315,000. 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