How much does this cost to the nearest dollar?

INNOMAX 99% WAVELESS WATERBED Mattress/Liner/Heater/Hose/Fill Drain/Conditioner KIT (Queen 60x84 1L6H2)
The InnoMax Hydrodynamic Sleep Mattress Simulates The Effects of Weightlessness By Keeping Both Mattress & Body In Balance Within A Fluid Environment. Constructed Exclusively of High Molecular, Specially Formulated, I-Flex Vinyl with Premium Grade Plasticizers For Long Lasting Suppleness, Flexibility and Longer Mattress Life. Crafted with Heater Compatible Trimilitate Black Vinyl Bottom For Heater Pad Compatibility and Efficient Heat Transfer. Designed with Recessed Seams On The Bottom, Minimizing Seam Stress & Maximizing Durability. Ultra Premium Pearlized, Dynamic Radial Top with Omni-Directional Over

Price is $505.00

Price: $504.95