I would imagine the price would depend on how bad it is--as far as your swirls are concerned. So I wouldn't even want to guess--but I can't imagine it being more than $200 or so for a complete detail.
Current - 2015 981 Cayman S
Past rides: 2014 F22 M235 - MT, CWP / 2011 E82 135 - LBM, N55, DCT / 2008 E82 135 - AW, N54, MT
2007 E92 328 - JB, N52, MT, ZSP (traded in for 135)
2007 E92 328 - JB, N52, MT (retired by a drunk driver)