The fixed and variable costs for three potential manufacturing plant sites for a rattan chair weaver are shown:

a$)$ After rounding to the nearest whole number, site $1$ is best below

units.

After rounding to the nearest whole number, site $2$ is best between

and

units

After rounding to the nearest whole number, site $3$ is best above

units

b$)$ If the demand is

$440$ units, then the best location for the potential manufacturing plant is

This problem is solved algebraically. Enter answers on the spreadsheet.