White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is

$157 per unit (labor, $32; materials, $73; and overhead, $52). The sales price is $300 per unit.

a. To achieve a 12 percent multifactor productivity improvement by reducing materials costs only, one needs to reduce the materials cost by __ percent? (round to 2 decimals)

b. To achieve a 12 percent multifactor productivity improvement by reducing labor costs only, one needs to reduce the labor cost by __ percent? (round to 2 decimals)

c. To achieve a 12 percent multifactor productivity improvement by reducing overhead costs only, one needs to reduce the overhead cost by __ percent? (round to 2 decimals)