There are numerous ways to cover the price of Mc Shan drug addiction treatment. One payment method you may discover is a sliding fee scale (fee is based on income and other aspects). This implies that the rehab adjusts their charges based on the client?s earnings, yearly taxes and other monetary factors; in the end, the expense that one person pays might not be the same as another. There are several reasons why a drug rehab would select to offer a sliding fee scale to their clients. They may choose to help out an addict who would normally not be able to obtain treatment. Another reason for offering this payment choice is that it provides the treatment facility with a tax deduction on the benefit of donating their services as charity.