How much does this cost to the nearest dollar?

Wallmonkeys P-51 Mustang WWII Airplane Cartoon Peel and Stick Wall Decals (18 in W x 12 in H), Small
Brand Wallmonkeys, Dimensions LxWxH 0.1 x 18 x 12 inches, Surface Recommendation Wall, Room Type Dorm Room, Nursery, Material Vinyl, Theme Airplane,Cartoon, Cartoon Character Cartoon, Special Feature Reusable, Pieces 1, Age Range (Description) Adult, Installation Type Self-Adhesive, Reusability Single Use, Pattern Cartoon, Shape Irregular, Unit Count 1.0 Count, Dimensions 0.1 x 18 x 12 inches, Weight 0.16 ounces, Manufacturer Wallmonkeys, model number Rank Sports & Outdoors Sports Fan Wall Decals 301

Price is $21.00
Price: $20.99