How much does this cost to the nearest dollar?

Twin XL Size 8 Inch Thick, 4 Pound Density Visco Elastic Memory Foam Mattress Bed with Gel Made in The USA
Memory foam's ability to reduce pressure points is one of the reasons so many people are using it to get the best night's sleep. Now you can enjoy the benefits of memory foam without having to buy a new mattress by replacing this memory foam mattress with your existing innerspring mattress. This mattress will add comfort and increase the quality of your sleep from immediately. Three inches of four pound density memory foam and half and inch of Gel memory foam used in this mattress is specifically designed to provide you with an enhanced gel like feel, and also provides additional support in areas where where traditional innerspring mattresses create painful pressure points. The foam is also specially formulated to contour

Price is $570.00

Price: $569.99