How much does this cost to the nearest dollar?

Waterproof Cover and Contour Pillow included with 3.3 Cloud9 Full / Double 2 Inch 100% Visco Elastic Memory Foam Mattress Topper
3.3 Cloud Visco Elastic Memory Foam out performs and relieves painful pressure points better than the leading competitor with innovative visco elastic memory foam technology and better formulation to help you sleep through the night without tossing and turning, allowing you to awake refreshed and renewed after a good nights Visco-elastic foam - memory foam - provides an ideal sleeping surface. In normal temperatures it is firm, but when you lay down to sleep it reacts to the temperature of your body and begins to mold itself to your shape. Weight is then distributed evenly along the surface, relieving pressure and helping you to sleep more soundly without tossing and turning. Cloud

Price is $424.00

Price: $423.79