Under its executive stock option plan, National Corporation granted $15$ million options on January $1,2024,$ that permit executives to purchase $15$ million of the company$$s $$1$ par common shares within the next six years, but not before December $31,2026($the vesting date$).$ The exercise price is the market price of the shares on the date of grant, $$32$ per share. The fair value of the options, estimated by an appropriate option pricing model, is $$4$ per option. Suppose that unexpected turnover during $2025$ caused the forfeiture of $5\%$ of the stock options.

Compute the amount of compensation expense for $2025$ and $2026.$

Note: Enter your answers in millions rounded to $2$ decimal places $($i$.$e$.,5,500,000$ should be entered as $5\mathrm{.}50)$