Canon EOS 5Ds: €3,499 (around $4,000)
Canon EOS 5Ds R (no low-pass filter): €3,699 (around $4,200)
Canon EF 11-24mm f/4L USM: €2,999 (around $3,400)
Expect the US prices to be lower.
Source
http://photorumors.com/2015/02/04/canon-eos-5ds-and-ef-11-24mm-f4l-usm-prices-revealed/