1. His income is 300 yuan a year.
    他每年的收入是三百元。

2. Yes,I pay monthly.It´s two hundred Yuan per month.
    是的, 我按月付钱, 每月200元.

3. I owe him 5 yuan which he lent me last week.
    我欠他五元钱，那是他上星期借给我的。