White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is $150 per unit (labor, $30; materials, $70; and overhead, $50). The sales price is $300 per unit.

ATo achieve a 10 percent multifactor productivity improvement by reducing materials costs only, by what percentage must these costs be reduced?

BTo achieve a 10 percent multifactor productivity improvement by reducing labor costs only, by what percentage must these costs be reduced?

CTo achieve a 10 percent multifactor productivity improvement by reducing overhead costs only, by what percentage must these costs be reduced?

Please hand write or give step by step