Which One of the Following Formulas Is Used by the William

Which one of the following formulas is used by the William and Flora Hewlett's Foundation for its decision making?

A) Expected return = (Costs * Probability of Outcome * Philanthropic Contribution) /Outcome
B) Expected return = (Outcome * Costs * Philanthropic Contribution) /Probability of Outcome
C) Expected return = (Outcome * Probability of Outcome * Costs) /Philanthropic Contribution
D) Expected return = (Outcome * Probability of Outcome * Philanthropic Contribution) /Costs