method. The following information is given:

$\backslash$table$[[$City$,$Population,x coordinate,y coordinate$],[$Tempe$,245,000,5,5],[$Scottsdale$,405,000,5,10],[$Chandler$,725,000,5,0],[$Mesa$,250,000,10,1],[$Glendale$,875,000,1,10]]$

a$.$ Where should Oscar build?

Oscar should build at an $x$ coordinate of and a y coordinate of $.($Enter your responses rounded to one decimal place.$)$

b$.$ If Oscar wanted to relocate to the closest city near his new facility $($using rectilinear distances$)$where would he live?

Oscar would live in