The responsible official must be satisfied, after reasonable enquiries, that the procurement achieves a value for money outcome, weighing financial and non-financial costs and benefits of each submission: quality, fitness for purpose, the supplier's experience, performance history and ethical conduct, flexibility and innovation, environmental sustainability, and whole-of-life costs. Price is not the only factor.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.