Translation of "Month's" in Chinese

During the probation period of my friend's new job, each month's salary is 3000 RMB; once the probation period has been fulfilled, each month's salary is 3500 RMB.

我朋友新工作的試用期每月工資三千人民幣，試用期滿後每月的工資三千五百人民幣。

The China National Table Tennis Team had a month's closed training in winter.

中国乒乓球队进行了一个月的封闭式冬训。