How do you determine the painting cost for a Children's Room in Geneva with accuracy, including ceilings, 1 doors, and 1 windows, having dimensions 9m x 3m?

To determine the painting cost for a Children's Room in Geneva with accuracy, including ceilings, 1 doors, and 1 windows, having dimensions 9m x 3m, it costs you CHF 798.00.

*) 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.