6. A group project is assigned to a team of n > 2 group members. Each teammate 2' choose an effort level a; to spend on the project. The quality of the project, Q(1,2, ...,e,.) = 61 X 32 x X en, is determined by the joint effort. Teammate i's payoff is 15431, 62, ...,en) = (10%, 82, ...,en) C(ei), where C(Bz') = of is his effort cost. a. All n teammates choose their effort simultaneously. Find the NE. b. Continue with part (a). Does the quality of project increase or decrease with the number of team members n