Under its executive stock option plan, Panther Paws Corporation granted options on January 1, 2020 that permit executives to purchase 40 million of the company's $1 par common shares within the next six 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, which is $12 per share. The fair value of the options, estimated by an appropriate option pricing model, is $6 per option. Suppose that unexpected turnover during 2022 caused the forfeiture of 10% of the stock options. Ignoring taxes, what is the compensation expense related to this stock option to be recorded in 2022 (in millions)? O $54 O $40 O $60 O $42