How much does this cost to the nearest dollar?

FUZADEL Ergonomic Clamp On Keyboard Tray Desk Extender Foldable Elbow Rest Pad for Desk Keyboard Extender Desk Armrest Mount Under Desktop Height Adjustment (Large)
Ergonomic desk extender clamp on mouse platform desktop keyboard trays adjustable desk extension arm rest keyboard tray for elbow rest keyboard extension tray Holds Keyboards at the Optimal Height and Angle, 3 levels of height adjustment degrees) - Can be flush with the desk, 10 degrees adjustable, 90 degrees folded. Foldable desk extension clip-on keyboard and mouse tray mount on side table desk platform for office /home table, Non-Push-Pull, Perfect extension keyboard extender for desk, Type with Your Wrists Neutral or Drooping Down Naturally. Delicate and comfortable touch, stable structure, load-bearing up to 

Price is $56.00

Price: $55.99