Lines a and b are parallel and lines e and f are parallel. Horizontal lines e and f are intersected by lines a and b. At the intersection of lines a and e, the uppercase left angle is 82 degrees, and the bottom left angle is 98 degrees. At the intersection of lines b and e, the bottom right angle is x degrees.

What is the value of x?

8
82
98
172

k = 9
k = 20
k = 60
k = 71