ADAMS Electricals Decided to Analyze the Job Flow of Their

ADAMS Electricals decided to analyze the job flow of their shop to see if a more effective layout could be designed to reduce average job lead time. They had 6 processing departments in the shop, positioned as shown below. The vertical distance between departments was 30 feet while the horizontal distance was 45 feet. Diagonal moves are not possible.
For a typical day, the number of jobs moving from one department to the next was:
Based on the total distance matrix developed above, ADAMS Electricals decided to make some changes in their layout so that the modified shop layout is now:

-How much distance is traveled by the 6 jobs from Department D to Department B?

A) 30 feet
B) 210 feet
C) 525 feet
D) 180 feet
E) Need more information to answer the question