What is the cheapest ceiling tile?

The cheapest ceiling tile is typically basic white mineral fiber acoustic tile for drop ceilings, such as Armstrong Sahara or budget store brands, costing around 1 to 2 dollars per square foot, with cheapest being 2x4 white fissured tiles costing 20 to 30 dollars per case of 8 to 10 tiles. Cheapest ceiling tiles are standard 2x4 or 2x2 white acoustic tiles with simple fissured texture, made from mineral fiber, with low acoustic rating but functional for basement or office drop ceiling, with Armstrong cheapest being Sahara or Basic white, costing about 0.80 to 1.50 dollars per square foot, with case of 10 tiles 2x4 covering 80 square feet costing 50 to 70 dollars. Even cheaper are PVC or styrofoam glue-up tiles costing 0.50 to 1 dollar per square foot, but lower quality. For budget, white flat tiles cheapest, with decorative tiles like WoodHaven costing 2 to 4 dollars per square foot more expensive. So cheapest ceiling tile is basic white mineral fiber drop ceiling tile, Armstrong or store brand, 2x4 size, costing under 1 dollar per square foot, available at Home Depot and Lowe's, suitable for budget basement ceiling, with cheapest option being flat white non-directional fissured tiles for suspended grid, with minimal texture and basic acoustics.