30.10 Measure of Damages--Damage to Personal Property--Repairs and Depreciation or Difference in Value Before and After Damage The damage to property, determined by the lesser of two figures which are calculated as follows: One figure is the reasonable expense of necessary repair of the property plus the difference between the fair market value of the property immediately before the occurrence and its fair market value after the property is repaired. The other figure is the difference between the fair market value of the property immediately before the occurrence and the fair market value of the unrepaired property immediately after the occurrence. You may award as damages the lesser of these two figures only.