QUESTION $8$ and three machines for test.

$\backslash$table$[[$Step$,$Processing Time per Circuit Board$],[$Component install,$2$ minutes$],[$Solder$,2\mathrm{.}5$ minutes$],[$Inspection$,1\mathrm{.}5$ minutes$],[$Test$,4$ minutes$]]$

What is the utilization of the resource "component install" if demand is unlimited?

$44\mathrm{.}44\%$

$50\mathrm{.}00\%$

$66\mathrm{.}67\%$

$88\mathrm{.}88\%$