How much does this cost to the nearest dollar?

EGOHOME 10 Inch Twin Mattress, Bamboo Charcoal Infused Gel Memory Foam Mattress in a Box, Cooling Double Medium Fiberglass Free Mattress Made in USA, CertiPUR-US Certified, Grey
Bamboo Charcoal Infused Memory Foam Layer Combined Bamboo Charcoal AeroFusion Memory Foam, Gel Flex Comfort Foam and Flex Support Base Foam, this mattress will provide you a pressure-relieving contour support and help keep cool and deep sleep. Breathable Cover & Fiberglass-Free FR Inner Cover The outer cover is made of 100% soft-to-touch fabric, which is soft and breathable, helping regulate body temperature and maintaining a comfortable climate all night, especially perfect for hot sleepers. It also has Fiberglass-Free FR Inner Cover, no skin irritation, no breathing problems, and no health risks

Price is $310.00

Price: $309.99