What is the proper tax treatment of capital improvements for a residential or commercial rental property? Multiple choice Must be depreciated using staight-line over 27k or 39 years. Can be deducted os ordinery expenses Must be depreciatgd using the doublo-decliring bolances method IRC secton 179 may be cloified What is the proper tax treatment of capital improvements for a residential or commercial rental property? Multiple choice Must be depreciated using staight-line over 27k or 39 years. Can be deducted os ordinery expenses Must be depreciatgd using the doublo-decliring bolances method IRC secton 179 may be cloified