In case of cancellation more than three (3) months before the commencement date: 15% of the rent (including additional costs). In case of cancellation within three (3) to two (2) months before the commencement date: 50% of the rent (including additional costs). In case of cancellation within two (2) to one (1) month before the commencement date: 75% of the rent (including additional costs). In case of cancellation within one (1) month before the commencement date: 90% of the rent (including additional costs). In case of cancellation within 14 days before the commencement date: 100% of the rent (including additional costs).