In dealing with the recent changes in business environments, a number of approaches have been developed to help organisations to improve their competitiveness.

$($a$)$ Explain how is computer$-$integrated manufacturing $($CIM$)$ different from just$-$in$-$time $($JIT$)$ production? Provide examples to support your answer.

$(5)$

$($b$)$ Differentiate between continuous improvement and total quality management $($TQM$).$ Provide examples to support your answer.

$(5)$

$($c$)$ Discuss how the return on assets $($ROA$)$ of an organisation influenced by the adoption of just$-$in$-$time $($JIT$)$ production. Provide examples to support your answer.

$(10)$