Troy has a customized business management system that he likes. However, it cannot easily scale up to meet his growing database storage needs, offers poor protection from hackers, and requires maintaining a large IT department. Troy should replace this system with

Multiple Choice

$$ a software as a service $($SaaS$)$ system.

a custom, off$-$the$-$self option.

an on$-$premises option.

a custom, cloud$-$based solution $($PaaS or laaS$).$