Companies A, B, and C enter into a financial arrangement. Established Company A will today pay expanding firms B and C $400,000 and $600,000, respectively. One year from today, B will pay C $200,000, and four years from today B will pay A $250,000. Three years from today C will pay A $900,000. Calculate the yield rate, correct to the nearest thousandth of a percent, that each company experiences over the period of their involvement (4 years for A and B, 3 years for C). yield rate for Company A = = % yield rate for Company B = % yield rate for Company C = = %