What is BCG matrix and explaining the $4$ quadrants in terms of market share and growth rate and the subsequent invest$/$divest decision rules: $1\mathrm{.}5$ marks.

Clear example with specific departments to be present in each quadrant and why: $1\mathrm{.}5$ marks; strategy suggestions $($Invest$/$Divest$)0\mathrm{.}5$ mark

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