What is the objective function for the following shortest path problem?

Question $9$Select one:

A$.$

MAX $50*$X$12200*$X$13+100*$X$24+35*$X$34$

B$.$

MIN $50*$X$12+200*$X$13+100*$X$24+35*$X$34$

C$.$

$$X$12$ X$13=0$

D$.$

MIN $50*$X$12200*$X$13+100*$X$24+35*$X$34$