At January 1, 2021, Microsoft grants 8 million options to key executives. The options permit recipients to acquire 8 million of the company's $2 par common shares within the next eight years, but not before December 31, 2023 (the vesting date) The exercise price is the market price of the shares on the date of grant, $35 per share. The fair value of the options, estimated by an appropriate option pricing model, is $12 per option. A) Make necessary entries for the years up to the year of exercise assuming 75% of the options were exercised, and the balance expired. B) In 2022, options with a fair value of $12 million when granted are forfeited due to executive turnover, make necessary entries for the forfeiture. C). A forfeiture rate of 5% is expected on the grant date. D) Assuming the forfeiture rate of 5% was revised to 10% in the second year, make necessary entries. Questions A, B, C, and D are independent but dependent on the same information above