How much would a full painting service for a Hall Room in Winterthur cost, covering 3m x 8m, with including ceilings, 1 doors, and 2 windows?

A full painting service for a Hall Room in Winterthur, covering 3m x 8m, with including ceilings, 1 doors, and 2 windows, costs CHF 498.00.

*) The calculations are approximate, based on a room height of 2.4m, and include one coat of paint. The price covers only the labor, excluding any services or materials.