A small start-up company has a Web-based customer sales system that is written by using PHP and JavaScript. The company is deciding whether to host the system on its own servers, contract with a hosting company for a virtual server, or go to Amazon's cloud. Volumes are expected to be low at the beginning, and it is hard to predict a growth pattern, although there is potential for rapid growth. Decide which alternative the company should choose. Defend your decision by giving adva.