Based on Example $3\mathrm{.}1($grey block$)$ in the prescribed book, $8$th edition, how can two organisations with similar demand profiles end up with significantly different purchasing and supply processes?Differences in organisational culture and internal priorities can lead to the development of distinct purchasing and supply processes.Similar demand profiles always result in identical purchasing and supply processes.External market conditions force organisations with similar demand profiles to adopt the same purchasing and supply processes.Standard industry practices ensure that organisations with similar demand profiles develop similar purchasing and supply processes.