How much does this cost to the nearest dollar?

Sierra Auto Tops Convertible Top Replacement for BMW Z4, TwillFast RPC Canvas, Black, Heated Glass Window
This BMW Z4 and M Roadster convertible top is manufactured in the USA from original patterns and specifications to the original vehicle. The material is Twillfast RPC and it includes a new heated glass window. Also includes new weather seal. The heated glass window has a factory tint and is DOT approved. The electrical connectors attach to your existing rear window defroster wiring harness. The topping material is an acoustically enhanced 45oz heavy weight two ply composite vinyl with a polyester inner lining. The outer surface of the topping duplicates the twill weave pattern of expensive cloth toppings. PRODUCT FEATURES First Quality Twillfast RPC Cloth/Canvas with a dobby weave lining First

Price is $839.00

Price: $839