Smithkline established an incentive program for its president. This plan compensates the president with an annual bonus of 20% on the operating income of the corporation net of contributions and after deducting the bonus itself. If the tax rate is 30% and the operating income for this year was $ 800,000, the president's bonus will be:

a) $ 120,000

b) $ 100,000

c) $ 63,156

d) $ 98,246