$20.$ If project A has a net present value $($NPV$)$ of U$.$S$.$ $$30,000$ and project B has an NPV of U$.$S$.$ $$50,000,$ what is the opportunity cost if project B is selected?$($a$)$ $$23,000($b$)$ $$30,000($c$)$ $$20,000($d$)$ $$50,000$Answer all questions $(40)$ marksQ$1.$ Explain the meaning of Project and Project Management to a lay person $(5$ marks$)92.$ In good Project Management settings, Stakeholders are 'engaged' rather than'managed'. Differentiate between the two and indicate the justification for engagement.$(10$ marks$)93.$ It is sometimes said that every project has three $(3)$ parts: The Thinking part, the$(10$ marks$)$Doing part and the Review part. Name and explain $3$ activities at the Thinking part.