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On November 1,2020 , Sheffield Company adopted a stock-option plan that granted options to key executives to purchase 30,000 shares of the company's $9 par value common stock. The options were granted on January 2, 2021, and were exercisable 2 years after the date of grant if the grantee was still an employee of the company. The options expired 6 years from date of grant. The option price was set at $30, and the fair value option-pricing model determines the total compensation expense to be $450,000. All of the options were exercised during the year 2023:20,000 on January 3 when the market price was $68, and 10,000 on May 1 when the market price was $78 a share. Prepare journal entries relating to the stock option plan for the years 2021, 2022, and 2023. Assume that the employee performs services equally in 2022 and 2023. (Credit occount titles are automatically indented when amount is entered. Do not indent manually. If no entry is required, select "No Entry" for the occount titles and enter 0 for the amounts. Round intermediate calculations to 5 decimal ploces, es. 1.24687 and final answers to 0 decimai places, es 5,125.) eTextbook and Media List of Accounts Wing for later Atrempts: 0 of 3 used