How much does this cost to the nearest dollar?

Goldtouch KOV-GTM-BTD Bluetooth Comfort Mouse w/ Dongle (Right-Handed)
Improve the way you work with the comfort and ease of the Goldtouch Comfort Mouse. Designed to mirror your hand in a weightless environment, the Comfort Mouse supports your arm’s natural position and alleviates pressure on tendons and joints. Moves your wrist into an ideal 24° angle, eliminating discomfort caused by wrist pronation. Over-sized buttons allow fingers to easily click without overly bending the interphalangeal joints. Reduces arthritic discomfort. Thumb cushion encourages a more comfortable grip. Plug-and-play installation, no drivers required. Dimensions 5.5 x 5 x 3 inches, Weight 4.6 ounces, model number KOV-GTM-BTD,

Price is $79.00

Price: $79