CD players are produced on an automated assembly line process. The standard costs of CD players are labor - $50 per unit; materials - $90 per unit; and overhead - $40 per units. The sales price is $300 per unit. In order to achieve a 25% multifactor productivity improvement by reducing the standard costs, how much should these costs be reduced? to achieve a 25% multifactor productivity improvement by reducing the labor costs, how much should these costs be reduced? to achieve a 25% multifactor productivity improvement by reducing overhead costs, what percentage must these costs be reduced?