The $50.82 cost per inmate at Brown Creek Correctional Institution compares favorably to the State's current contracts with private industry providers in Tennessee and Oklahoma. The Tennessee contract is for 320 medium security beds at $55.00 per day and Oklahoma is for 550 medium security beds at $53.73 per day.n this survey, North Carolina reported a prison system wide daily cost of $57.56 per inmate based upon the 1992-93 Fiscal Year which compares favorably to the national average of $52.38.