represent the proportions by which the unit times of the three operations are reduced, the problem requires determining rl> '2, and r3 such that the new imputed cost per per toy train is less than its unit revenue-that is,
represent the proportions by which the unit times of the three operations are reduced, the problem requires determining rl> '2, and r3 such that the new imputed cost per per toy train is less than its unit revenue-that is,