Honda Accord 120k Maintenance

I am pllaning on having my 2010 Honda Accord (V6) 120k maintenanced. I did not do the 90k or 105k.
The only maintenance I regularly do are Oil Change, Fluid refill. I did have my alternator replaced ~1 year ago.
With that said, the manual suggest do have these done by 120k:
• Replace Engine Oil/Filter
• Replace Spark Plugs
• Replace timing belt & inspect water pump
• Inspect and adjust drive belts
• Inspect idle speed
• Replace engine coolant
• Replace transmission fluid
• Replace brake fluid
• Inspect parking brake adjustment
• Inspect Tie Rod ends, steering gear box & boots
• Inspect Suspension components
• Inspect Driveshaft boots • Inspect all fluid levels, condition of fluids and check for leaks
• Inspect Brake hoses and lines
• Inspect Cooling system & connections
• Inspect Exhaust System
• Inspect Fuel lines and connections

What is a reasonable price for this maintenance to be completed. Should I go through dealership or auto shop? Thanks!