White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is $142 per unit (labor, $27; materials, $69; and overhead, $46). The sales price is $275 per unit.

To achieve a 12 percent multifactor productivity improvement by reducing materials costs only, one needs to reduce the materials cost by

*enter your response here* percent. (Enter your response as a percent rounded to two decimal places.)