More like $15,000-17,000 installed depending upon the configuration (60 zones, 10 WPMs, 15 keypads) and actual floorplan of the home (in HW4).
The last Homeworks home I did had 55 keypads, 5 panels, 40 RPMS w/ around 160 loads (HW8).
I imagine that the cost for a RA system w/ 60 loads and 15...