How do you determine the cost of painting a Children's Room in Lausanne, including ceilings, 2 doors, and 2 windows, with dimensions 4m x 6m?

Meticulously determining the cost of painting a Children's Room in Lausanne, including ceilings, 2 doors, and 2 windows, with dimensions 4m x 6m, requires a thorough calculation of CHF 511.00.

*) 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.