Is $39,850 to install GAF Timberline shingles a fair price?

Quote option to replace approximately 2400 sqft of asphalt shingles. - Shingle Type: Timberline GAF - Labor Warranty: 10 years - Claimed Shingle Lifespan: 20-30 years

This proposal is based on the assumption of 1 layer; if your roof has more than one layer, the installation cannot be performed per city code.Thoroughly inspect wood members for deficiencies.Where deficiencies are found, replace wood substrate as necessary at an additional cost to the owner (please see authorization page for wood replacement if needed).Furnish and install new Edge Metal Trim (color to be determined by owner and submitted in writing prior to commencement of work).Starting at the low point of the roof, install GAF Timberline HDZ Cool Roof Shingles (color to be determined by owner and submitted in writing prior to commencement of work).Composition shingles to be installed per manufacturers specifications.On Hip and Ridge, install Premium High Rise Caps.Remove and haul away all debris caused by roofing.Payment due upon completion of work; completion report to be sent to owner prior to requesting final invoice.City Permits to be pulled by Green Ladder Roofing and reimbursed by client after purchase.Warranty includes: - 10 Year Workmanship Warranty- GAF Lifetime System Plus Warranty- GAF Lifetime Warranty- GAF Accessory Warranty- 50 Year Up-Front Coverage Period- Cost of installation labor included*ONLY AVAILABLE TO GAF CERTIFIED ROOFING CONTRACTORS*

This quote is for a full roof replacement using GAF Timberline HDZ shingles. The scope of work is consistent with other quotes received. It includes labor and the shingles are Class 3 rated for hail. - Shingle Type: GAF Timberline HDZ - Hail Rating: Class 3 - Inclusions: Full roof replacement, Labor