Norms Dictating That Any Community Member Earning Unusually High Income

Norms dictating that any community member earning unusually high income give transfers to members with lower incomes ________ individuals' incentives to invest and innovate,because individuals must bear ________ of innovation while expecting to enjoy ________ the returns.

A) reduce; a fraction of the cost; all of
B) increase; a fraction of the cost; only a fraction
C) reduce; the full cost; only a fraction of
D) increase; the full cost; all of