Charity fundraising campaigns are often designed to maximize the net returns from the campaign: dollars donated minus dollars spent on fundraising. What is the correct rule for doing SO This is a "how much question so they should choose the number of dollars to spend on fundraising that makes marginal donations equal to marginal cost This is a "whether" question so they should choose the number of dollars to spend on fundraising that makes marginal donations equal to marginal cost This is a "how much question, so they should choose the number of dollars to spend on fundraising that makes donations equal cost. This is a "whether" question, so they should choose the number of dollars to spend on fundraising that makes donations equal cost. The rules for maximizing net benefits do not apply to charities because they are not for profit