A local school district is in the process of installing new ceiling$-$mounted projectors in each classroom. However, some of the classrooms have drop ceilings, and there is no power outlet in close proximity to where the projectors will be placed. How should the IT department install projectors in these rooms that lack a close proximity to a power outlet?

Option A

pay to have power outlets installed

Option B

use long extension cords

Option C

use PoE $($Power over Ethernet$)$

Option D

do not install projectors in those rooms