Consider a Public Goods Game with 4 Players Where Contributions

Consider a public goods game with 4 players where contributions to the public account are multiplied by 5 and re-distributed equally all group members. The MPCR from the public good is ______ and so the dominant strategy would be to contribute ________ to the public account.

A) 1.25; nothing
B) 0.8; nothing.
C) 0.8; the entire token endowment.
D) 1.25; the entire token endowment.