iv$.$ Replace $A$

$B$ and $C$ in the code below to run the k $-$means algorithm with $3$ clusters on the customer$\_$dat.

$[6$ marks$]$

kmeans$\_$result centers $=[C])$

v$.$ Based on the plot below, which visualises the results of the k$-$means clustering, what cluster might correspond to a group of high spenders with high average purchase value? Give a reason for your answer.

$[3$ marks$]$