What is the most logical next event?

People are tearing up the carpet in a store of some kind then move the carpet out and paint the floor gray. the men

Select from:
(I) have to put cement all around the floor and then put the carpet over the concrete.;
(II) used a drag ball to have the roofer walk to the wall and continue slowly paint the wall.;
(III) then remove the rug and the wallpaper is laid down to the floor.;
(IV) then add gray carpet to the floor and a man vacuums.;
(IV)