Which of the following is true about commercial software? {Ans: Commercial software can be installed faster than a custom system. One of the major advantages of a commercial system, especially one chosen because of its ability to support the firm and meet the firm's requirements, is that it can be installed more quickly than a custom system. Programs have been written and tested. Modules have been documented. Controls to meet audit requirements are in place. In a custom development, all of these must be built from scratch.}A commercial software system that is finished, tested, and ready for implementation is called a {Ans: A commercial system that is finished, tested and ready for implementation is called a turnkey system. Turnkey systems are generally sold with very limited capability for customization outside of some input, output and processing options chosen through menu selections. Examples of turnkey systems include general accounting systems, special purpose systems and office automation systems.}Special-purpose systems {Ans: Special-purpose systems target selected segments of the economy. Some software vendors create special-purpose systems that target selected segments of the economy. For example, the medical field, the banking industry, and government agencies have unique accounting procedures, rules, and conventions