The relevant nickel market in the United Kingdom is a duopoly, in which NickelOne and NickelTwo compete simultaneously and independently. Their marginal and average cost is fixed and equal to AC = MC = 4. The inverse market demand function is equal to PH 10 -Q, where Q = q1 + q2. If both companies increase the cost for research and development (R&D) then the quantity offered is determined based on the Cournot oligopolistic model, otherwise the monopoly effect or collusion effect is achieved! If one increases R&D expenditure and the other decreases then the price is determined based on the Bertrand oligopolistic model. A) Construct the game odds table and find the Nash equilibrium. Is this game an example of a [ prisoner's dilemma, and why