White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is ?$152152 per unit? (labor, ?$3131?; ?materials, ?$7373?; and? overhead, ?$4848?). The sales price is ?$300300 per unit. a. To achieve a 1212 percent multifactor productivity improvement by reducing materials costs? only, one needs to reduce the materials cost by nothing percent. ?(Enter your response as a percent rounded to two decimal? places.)