Chinese Test: What does the boss mean?

Intermediate Level 中级 (zhōngjí)

Conversation:

Mike is at his boss’s door; he knocks to enter.

Mén kāi zhe, jìnlai ba. Boss: 门 开   着,进来 吧。

Lǎobǎn, zhè shì nín yào de wénjiàn. Mike: 老板,    这 是   您    要   的   文件。

What does the boss mean?…