Doors and i restaurant should be sealed tightly into the doorframes if you can see daylight in the cracks you should be repaired because food safety could be a risk if

In restaurants, the door frames should be check during the daylight to check for any cracks. If there are cracks, it should be repaired or sealed because food safety could be at risk if pest infestation is not denied.

Moreover, to help pest from entering the establishment, a self-closing device, door sweeps and use of weather stripping on the bottom of doors must be installed because pest infestation is a serious problem of food establishment.

Therefore, the use of an integrated pest management must be practice in order to prevent and control pest.

i believe the answer is a