For a set of four distinct lines in a plane, there are exactly N distinct points that lie on two or more of the lines. What is the sum of all possible values of N ?

**Answer Choices**

A. 14

B. 16

C. 18

D. 19

E. 21

For a set of four distinct lines in a plane, there are exactly N distinct points that lie on two or more of the lines. What is the sum of all possible values of N ?

**Answer Choices**

A. 14

B. 16

C. 18

D. 19

E. 21