--I hope you can come to the dance next Saturday.

---          .

A．Sure, but I have to visit my grandpa.

B．Not at all. I’ll be glad to.

C．I really can’t agree with you; I prefer science.

D．I’m sorry, but I have to help my sister with her English.

某项目现金流量见表7-2，基准收益率为12%，该项目财务净现值为( )万元。表 7-2 某项目现金流量

A．年份

B．0

C．1

D．2

E．3

F．4

G．现金流入/万元

H．0

I．100

J．100

K．100

L．120

M．现金流出/万元

N．200

O．20

P．20

Q．20

R．20