While the trichromatic theory defines the way the retina of the eye allows the visual system to detect color with three types of cones, the opponent process theory accounts for mechanisms that receive and process information from cones.
Cost of Soundproofing One Room. The cost to soundproof one room generally includes $170 to $250 for new materials, $190 to $300 for professional labor and $20 to $36 in tools needed to complete the job, though the prices will be higher for larger rooms and more complicated projects.
Semi-private room rates vary between $847 per day to $7,246 (Canadian dollars) per day. The. incremental cost of a private room ranges from $0.00 to $410 per day, with an average of $141. per day, or $41,172 per year, assuming 80 per cent occupancy, which has a PV of $965,715.s shown in Table 2, the price of a semi-private room ranges from $60 to $110 per day, while the price of a private room ranges from $100 to $150 per day. These prices suggest that, on average, patients are willing to pay about $33 per day to have a private room rather than a semi-private room.