读一读，回答问题。

Li Ming: Excuse me! Where is the library?

Miss Liu: Across from the office.

Li Ming: Is that far from here?

Miss Liu: No! It's just up the stairs! I can show you.

Li Ming: Thank you!

Miss Liu: Follow me! Here it is!

Li Ming: Thanks!

Questions:

1. Is the library far from the office?

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2. Does Miss Liu help Li Ming get to the library?

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某房地产开发项目现金流量如下表所示，基准收益率为12%，该项目净现值为( )万元。

A．年末

B．0

C．1

D．2

E．3

F．4

G．现金流入

H．0

I．50

J．50

K．50

L．60

M．现金流出

N．100

O．10

P．10

Q．10

R．10

S．净现金流量 　　　　-100

T．40

U．40

V．40

W．50