Sam owns a small apartment building (this is the only rental building Sam owns). During the year Sam incurs the following expenditures:

Item                                                                                                                                                     Amount
Replace roof and roof underlying structure because of building
code requirements ....................................................................................................................     $30,000
Repaint the interior ....................................................................................................................         3,000
Repair door handles and door locks ........................................................................................         1,000
Replace broken windows ...........................................................................................................         1,500
Replace crumbling sidewalks and stairs because of building code requirements .............       25,000

Discuss the proper tax treatment for these expenditures.