Build the Clusters by using K$-$Means clustering, where $K=2$ with the data set:

$\backslash$table$[[$Tr$.,$Age,Amount$],[$A$1,20,500],[$A$2,40,1000],[$A$3,30,800],[$A$4,18,300],[$A$5,28,1200],[$A$6,35,1400],[$A$7,45,400]]$