How would you calculate the painting expenses for a Hall Room in Winterthur, including ceilings, 1 doors, and 2 windows, with an area of 3m x 7m?

The painting expenses for a Hall Room in Winterthur, including ceilings, 1 doors, and 2 windows, with an area of 3m x 7m, would be calculated to total CHF 443.00.

*) 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.