Of course. There's a per-screen (per color) setup charge of $x, so it wouldn't work to have a very small number of subscribers. Fortunately variable costs decre

Of course. There's a per-screen (per color) setup charge of $x, so it wouldn't work to have a very small number of subscribers. Fortunately variable costs decrease on a per-unit basis (at volume thresholds) and the relative impact of the fixed costs decreases with each additional unit.