$10$

CONFIDENTIAL

Queation $7(10$ marks; $18$ minutes$)$

At the beginning of the year, SA Ammy, initiated an ervivironmental cost reduction prograrn at the SA Ammy Combar Training Centre. To help assess the impact of the environmental cost reduction improvement program, the following data was collected for the current and preceding year:

$\backslash$table$[[,$Preceding year,Current year$],[,R,R$