Consider the following high$-$level supply chain for the food segment in the FMCG industry below for questions $3$ and $4.$ Consider the following Porter$$s generic competitive strategies map also for questions $3$ and $4.$ Supply Chain $($related to value chain as well$)$:

Raw materials $->$ Agriculture $->$ processing $($manufacturing$)->$ distribution $->$ wholesale $->$ retail $->$ end customers

Porter$$s generic competitive strategies map $($not drawn to scale but for illustration purposes$)$:

Using the value chain analysis, and Porter$$s generic strategies from the above supply chain, Critically discuss how the cost competitive advantage for Shoprite, and differentiation competitive advantage for Checkers can be achieved.