Software Engineering: A Practitioner's Approach $|9$th Edition

$27\mathrm{.}1)$ How does software support differ from software maintenance?

$27\mathrm{.}3)$ Create a software reengineering inventory analysis checklist, and propose a quantitative software rating system that could be applied to existing programs in an effort to pick candidate programs for reengineering. Your system should extend beyond the economic analysis presented in Section $27\mathrm{.}3.$