Gonzalez Manufacturing borrowed $39000. Part of the money was borrowed at 4%, part at 6%, and part at 8%. The annual interest was $2400, and the total amount borrowed at 4% and 6% was twice the amount borrowed at 8%. Use Gaussian elimination or Gauss-Jordan elimination to find the amount borrowed at each rate. How much money was borrowed at 4%? Ca How much money was borrowed at 6%? $ How much money was borrowed at 8%? $