Is $20,000 to demo and installation labor for master bathroom re-tiling a fair price?

This quote is for labor only to remodel a small master bathroom. The homeowner will remove wallpaper and paint. - Demo carpet, sink wall for electrical, etc. as needed - Install wall tile - Install floor tile - Install bathtub surround - Install toilet - Install vanity - Install mirror - Install baseboard - Finish walls after wallpaper removal - Install vent fan exhaust

This project involved a complete master bathroom renovation. The homeowner performed the initial demolition. - Demolition: Performed by homeowner with a friend over two 8-hour days. - Contractor Work: - Framing - Waterproofing - Sheetrock installation - Concrete board installation - Tiling - Pocket door installation - Electrical Work (by electrician friend): - Added an outlet by the toilet - Moved two existing outlets - Ran 2 homeruns (1 for bidet, 1 for heated floor) - Moved and installed new exhaust fan - Installed two new lights above the shower - Changed out original lights - Plumbing Work (by recommended plumber): - Moved three fixtures and a drain - Installed sink, sink fixtures, and shower fixtures - Includes all materials

This quote is for the labor only to tile a master bathroom as part of a small addition project. No other areas in the master bathroom are being tiled. The specific tile selections are: - Shower: Subway tile with a chair rail in the middle and a large shower niche. - Floors: Penny tiles with a border pattern.