White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is $156 per unit (labor, $33; materials, $68; and overhead, $55). The sales price is $275 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. (Enter your response as a percent rounded to two decimal places.) b. To achieve a 12 percent multifactor productivity improvement by reducing labor costs only, one needs to reduce the labor cost by percent. (Enter your response as a percent rounded to two decimal places.) percent. (Enter your c. To achieve a 12 percent multifactor productivity improvement by reducing overhead costs only, one needs to reduce the overhead cost by response as a percent rounded to two decimal places.)