This is financial Accounting. please provide working details. thank you!

On 1 July 2018, Titan Ltd granted			230	share options to each of its			400	employees.
The options vest only if employees continuously provide services to Titan Ltd for a period of four years from the gran date.
The exercise price of the options is $			6	while the fair value was determined using an option pricing model
to be $ 3.90. Options can be excercised any time during the 12 months after the vesting period.
On grant date, it was estimated that			60	employees will leave during the vesting period. However, by 30 June 2019,
20	employees had left and Titan Ltd revised the estiamte of the total employees that would leave to be									75	.
Another	9	left during the yer ending 30 June 2020 and the estiamtes was further revised to a total of								80	.
For the year ended 30 June 2021, a further				12	employees left and in the last year			9	left.
During the least two years, the estimate remained unchanged.
During the 12 months after the vesting date, the shapre price was $7.00 and							310	employees exercised
their rights to purcahse shares. At the end of the year, the balance of the options account which represented the unexercised options
was transferred into a general reserve.
Required:
a)	Prepare journal entries to account for the share options granted by Titan Ltd for each of the five years
	in accordance with AASB 2. Show all your workdings.							10 Marks
b)	How would your answer to a) change if three more employees left on 31st December 2022?
	Provide your reasons.