Magnetic$-$Optical Corporation offers a variety of share$-$based compensation plans to employees. Under its restricted stock unit plan, the company on January $1,2024,$ granted restricted stock units $($RSUs$)$ representing $20$ million of its $$1$ par common shares to various division managers.

The shares are subject to forfeiture if employment is terminated within three years.

The common shares have a market price of $$6\mathrm{.}00$ per share on the grant date.

Management$$s policy is to estimate forfeitures.

Required:

Determine the total compensation cost pertaining to the RSUs.

Prepare the appropriate journal entry to record the RSUs on January $1,2024.$

Prepare the appropriate journal entry to record compensation expense on December $31,2024.$

Suppose Magnetic$-$Optical expected a $10\%$ forfeiture rate on the RSUs prior to vesting. Determine the total compensation cost.