QUESTION TWO $[25]$

It is evident from the case study that Boeing used the Toyota Production System which is based on a Just$-$in$-$Time $($JIT$)$ philosophy. Assess:

$2\mathrm{.}1$ The key elements of a JIT system. $(12)$

$2\mathrm{.}2$ The process Boeing $($or its suppliers$)$ need to follow to convert to a JIT system. $(13)$