How much does this cost to the nearest dollar?

Canon Accessories Canon Extension Grip
The extension grip eg-e1 provides additional support and comfort using the Canon EOS RP digital camera so you can feel even more confident when shooting. There's an access panel so you can easily swap batteries when needed, and because it comes in three colors - black, Blue and red - you can choose the one that best matches your style or mood for a particular occasion, day or outfit. Extension grip for Canon digital camera EOS RP Country of Origin Taiwan Package weight 0.3 lb Package dimensions 20.0 L x 2.4 W x 6.1 H Dimensions 2.3 x 5.2 x 0.9 inches, Weight 4 ounces, model number Rank Digital Camera Battery Grips 137, Available February 14, 

Price is $79.00
Price: $79