$4)$ The coordinates of each site and the shipment volumes are shown below.

Calculate the coordinates $($X$,$Y$)$ of the optimum location of the new

warehouse needed to serve these locations.

Workspace

ection

Location

A

D

X

Coordinate

$1700$

$1\mathrm{.}450$

$1\mathrm{.}350$

$125$

Y

Coordinate

$1\mathrm{.}150$

$1,350$

$1\mathrm{.}400$

$1\mathrm{.}450$

Volume

$1\mathrm{.}350$

$1\mathrm{.}800$

$1\mathrm{.}700$

$1\mathrm{.}400$