Similar with my install. Also consider the big tax benefit. Everyone pushes their prices up marketing the tax rebate. Plus we had issues and our whole inverter and battery system was replaced under warranty.
10 panels and was done by 5 guys, two of which were electricians. Total labor was $1.3k and they did an awesome job. Then again, this is in South Africa!
Considering GDP per capita is ~12.6 times higher in the US - that's probably equivalent to ~$16k in US labor costs (80%).