Any Houston, Texas, resident, armed with a free Houston Public Library PowerCard, can tap into a suite of office applications to write a resume, maintain a personal calendar, or keep records for a business. The city signed a contract with Internet Access Technologies $($IAT$)$ in June $2002$ to provide these services. IAT is more than likely an example of $a(n)$ :

service warehouse

application service provider

intranet

batch processor

extranet