How much does this cost to the nearest dollar?

Magnadyne TV-X Omni-Directional Amplified TV/AM/FM Antenna and Distribution Plate (Black)
Magnadyne TV-1B Antenna is designed for RV and marine use. HDTV (ATSC) compliant and requires no aiming or adjusting. The aerodynamic housing with high-impact weatherproof and UV resistant materials make this a great addition to your RV travels. TV-1B is a wing style omni directional antenna that mounts on the roof of your RV/motor home. This model replaces the previous that had a dome style design. This antenna has both TV (UHF/VHF) & AM/FM capabilities so you are able to listen to your radio or watch TV while you are on the road or parked at a campground. Please look at the installation

Price is $80.00
Price: $79.95