Answer:
If this advice was followed, two systems would result which means higher costs. Accountants must be aware of what is happening in the organization in order to perform correctly. This doesn't mean that only accountants should be involved, but you cannot exclude them.
Accountants are trained in systems development and they should be able to produce reliable information. In order for information to be useful, it must be reliable and relevant. If accountants do not participate in the development of a company's system, then the quality of the information will decrease. Non-reliable information is not useful.
