Chang Corporation issues 15,000 restricted shares to its CFO, Lim Heng on January 1, 2020. The shares have a fair value of 600,000 on this date. The service period related to the restricted shares is 4 years. Vesting occurs if Lim stays with the company for 5 years. The par value of the shares is 8. At December 31, 2020, the fair value of the shares is 480,000. REQUIRED: Prepare the journal entries to record the restricted shares on January 1, 2020 (the date of grant), and December 31, 2020