The self-interest model predicts that the outcome of the "ultimatum bargaining game" in which the allocator starts with €20 is that:
a. the allocator will offer the receiver €10 and keep €10 for himself.
b. the allocator will always keep the full €20.
c. the allocator will offer the receiver €0.01 and will propose to keep €19.99 for himself.
d. the receiver will always reject the allocator's proposal.