$10.$ Define the term $$Portfolio Analysis$$ in the Supply Chain Management context. $(1)$

$11.$ List the three $(3)$ business activities that a portfolio matrix enables a purchasing manager to do$?(3)$

$12.$ Enterprise objectives can be achieved by monitoring the enterprise's Key Performance Indicators $($KPI$),$ Critical Success Factors $($CSF$)$ and vision and mission. Explain the use of Key Performance Indicators in an organisation. $(1)$

$13.$ When identifying stakeholders and their needs to determine the impact on strategic sourcing, a process is usually followed to make sure that no stakeholders are left out of the decision. Discuss each of the four $(4)$ steps in the stakeholder identification process. $($Hint: make use of clear headings and structure your discussion in paragraphs$)(8)$

$14.$ Distinguish between insourcing and outsourcing. $($