Classify each of the performance measures below into the most likely balanced scorecard perspective it relates to$.$

$\backslash$table$[[1.,$Number of days of employee absences$],[2.,$Employee diversity training sessions completed$],[3.,$Change in market share$],[4.,$Number of defective products made$],[5.,$Number of calls to help desk$],[6.,$Length of time raw materials are in inventory$],[7.,$Operating cash flow$],[8.,$Number of new products introduced$]]$