How much does this cost to the nearest dollar?

Marinco 20036 12V Receptacle, Stainless Steel with Cap
Receptacle - --High quality 12 Volt female socket, with water tight cap. Stainless steel construction. AFI 12V stainless steel receptacle with cap High quality, 12V female socket, with water tight cap Highly recommended and durable Dimensions L x W x H 8.9 x 4.06 x 1.61 inches, Weight 0.1 Kilograms, Dimensions LxWxH 13 x 18 x 13 inches, Weight 0.16 Pounds, Brand Name Marinco, Material Stainless Steel, Manufacturer Marinco Electrical Group, Part 20036, Sport Type Boating, Rank Automotive RV Plugs, Inlets & Receptacles 

Price is $21.00

Price: $20.83