<prompt> unaweza kugeuza matini haya ya swahilikwa kiingereza?na kuhusu magari, kama unajua ni ya mwaka gani mnaweza kukubaliana depreciation rate kisha mkayapigia mpaka mkapata book value yake kwa sasa.  <response>: in that case, you need to choose used cars because they have already reached their level of depreciation and you can get it in good condition as well. 