Which of the following statements regarding a restricted stock plan is correct?

a) The amount of the compensation is measured by the par value at the date of grant.

b) Once the shares vest and the restrictions are lifted, paid-in capitalrestricted stock is replaced by common stock and paid-in capitalexcess of par.

c) The employee is free to sell the shares during the restriction period.

d) All of the choices are correct regarding restricted stock plans.