Group 1 - The article discusses whether a company can pay salaries every two months under an annual salary system, highlighting that it is permissible as long as both parties agree [1] - It addresses the legality of reducing trial period salaries to 80% of the agreed amount, indicating that this practice is not allowed unless specified in the contract [3] - The article explains the circumstances under which a company can withhold wages, such as for social security, housing fund, and taxes, which are considered lawful deductions [5] Group 2 - The calculation of sick leave pay is outlined, indicating that employees on sick leave during their probation period may receive a reduced salary based on their contract terms [7] - It provides a table detailing the percentage of salary employees can receive during sick leave based on their years of service and the duration of the leave [9]