This question is about material from class $04$B$,$ so you should probably wait until after that class to attempt it$...$

Here is the university traffic data from class, with a couple changes to the numbers

ABCDE F

Arts

$2312163119$

Business

$7$

$13$

$5141$

Classics

$216$

$25$

Drama

$9$

$20$

Economics

$16$

French

And here one possible layout:

A FD

a$.$ What is the total value of this layout?

$($hint: sum all traffic using the rectilinear distances in the layout provided$)$

b$.$ Why would Subway $($the sandwich shop$)$ not find the job shop layout approach particularly useful? What approach should they use instead to lay out a shop?