Help pleasee.. On January 1, 2021, Chicken Nuggets Company granted 50 share option each to 280 employees - as long as they are employed to the entity during the vesting period. The share options vest at the end of 2 year period and it has a FV of P80 on grant date. By Dec. 31, 2021, 13 employees have left and it is expected that on the basis of weighted average probability, a further 8 employees will leave during 2022. How much is the compensation expense for 2021?