This plan is an example of "Price fixing"
Step-by-step explanation:
Price fixing consists of an agreement between respondents on the same side of the economy to only purchase or sell a product, service or product at such a fixed price, or keep price conditionals so that equilibrium control is kept at such a level.
This allows the suppliers to decide to give their goods a minimum or maximum price. Electronics retail organizations, for instance, may set prices together by setting prices or promotions on televisions.