Describe $3$ competitive issues and HRM$\mathrm{.}2.$ Describe the process of reengineering$\mathrm{.}3.$ How do knowledge workers differ from touch labour?$4.$ What are $2$ potential hidden costs of a layoff?$5.$ What are $2$ potential benefits of a no$-$layoff policy?$6.$ How can we manage diversity in an organization?$7.$ Describe two components of the HR Competency Model.