How much does this cost to the nearest dollar?

SIEDiNLAR Solar Post Cap Lights Outdoor 2 Color Modes 8 LEDs for 4x4 5x5 6x6 Posts Fence Patio Deck Decoration Warm White & Cool White Lighting Black (4 Pack)
Two Color Modes They have 8 LEDs and two modes (Warm White & Cool White). The Siedinlar solar post lights adopt a unique seagull shape, and the diamond lampshade can project bright light on the posts at night, forming a beautiful landscape. Solar Powered The solar fence post light is made of durable ABS, making it a great combination of style and durability, giving your fence a unique touch that catches attention. Easy to Use Solar post lights is fit for 4x4, 5x5 vinyl posts and 4x4, 

Price is $39.00

Price: $39.09