法律关系的客体，是指法律关系的（）指向的对象，它是法律关系主体权利行使和义务履行所指向的目标。

A．权利 

B．义务 

C．权利和义务共同 

D．权利和义务分别

A store currently charges the same price for each towel that it sells. If the current price of each towel were to be increased by $1,10 fewer of the towels could be bought for $120, excluding sales tax. What is the current price of each towel ？（）

A．$1

B．$2

C．$3

D．$4

E．$12