How would you calculate the painting expenses for a Living Room in Geneva, excluding ceilings, 1 doors, and 1 windows, with an area of 3m x 10m?

The painting expenses for a Living Room in Geneva, excluding ceilings, 1 doors, and 1 windows, with an area of 3m x 10m, would be calculated to total CHF 578.00.

*) 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.