You've just been appointed the Market Research Manager of Mercedes, California region. In five days you must go to the head office in Chicago and deliver a presentation on the share of Mercedes among older consumers $($aged $80+).$ You have everything put together but the share. You decide to conduct a survey asking consumers $65+$ which auto they bought in the past $5$ years $($If they have bought anything in the past $5$ years$).$ What would be the most appropriate type of survey?

Telephone, structured undisguised

Telephone, structured, disguised

Internet, structured, disguised

Personal $($face$-$to$-$face$),$ structured, undisguised

Mail, structured, disguised