Question$\mathrm{.}1$

a$)$ Construct a $P$ areto diagram

$(3)$

b$)$ Identify the vital few and important many

$(2)$

$\backslash$table$[[$Types of Costs,Rands $($in Thousands$)],[$Customer Complaints,$20],[$Returned G oods,$30],[$Retrofit Costs,$50],[$W arranty Claims,$90],[$Liability Costs,$10],[$Penalties$,5],[$Customer G oodwill,$25]]$

Table $1\mathrm{.}1$: Data for External F ailure Costs

$[5]$