$\backslash$table$[[,,$To$,,],[$From$,$A$,$B$,$C$,$D$,$E$,$F$],[$A$,,80,30,85,55,15],[$B$,,,5,40,55,60],[$C$,,,,45,5,35],[$D$,,,,$cdots,$25,65],[$E$,,,,,-,15],[$F$,,,,,,-]]$

Part $1$

A law firm has its offices arranged according to the following layout

$[E|]$

The office manager for the law firm estimates that the following number of trips are made dally between offices

Part $2$

a$.$ Assuming that it costs $$117$unitary distance, the load$-$distance cost of the layout is $5800$

Part $3$

b$.$ Suppose the law office manager proposes the following revised office layout.

$\backslash$table$[[$Upper CC$,$Upper FF$,$Upper DD$],[$Upper EE$,$Upper AA$,$Upper BB$]]$

Assuming that it costs $511$ iunitary distance, the bad$-$distance cost of the revised layout if $$?$

The revised layout is preferable or nonpreferable? to the original layout, the cverall cost is lncreased of reduced? by $ $?$

rert Predictiens On

Acctssibility Good to $90$