You can trade a maximum of 120 holiday hours for payment. For part-timers this is in proportion to the scope of their employment. The amount you receive for a holiday hour is described in the section resources/investment of holiday hours.
An employee has a gross salary of € 5,212.00 per month. Selling 120 holiday hours gives this employee € 5,212 : 165 x 120 x 1.1633 = € 4,409.54 gross, or around € 2,116.00 net.