American Express experienced a 10% increase to service margins in their global customer service division's call center by revamping the division with the theory:

Congressman patrick indicates that he is opposed to tax proposals that call for a flat tax rate because the structure would not tax those individuals who have the ability to pay the tax. discuss the position of the congressman, giving consideration to tax rate structures (e.g., progressive, proportional, and regressive) and the concept of equity.