White Tiger Electronics produces CD players using an automated assembly line process. The standard cost of CD players is $$151$ per unit $($labor$,$ $$28$; materials, $$71$;

and overhead, $$52).$ The sales price is $$275$ per unit.

a$.$ To achieve a $15$ percent multifactor productivity improvement by reducing materials costs only, one needs to reduce the materials cost by $27\mathrm{.}75$ percent. $($Enter your response

as a percent rounded to two decimal places.$)$

b$.$ To achieve a $15$ percent multifactor productivity improvement by reducing labor costs only, one needs to reduce the labor cost by $70\mathrm{.}36$ percent. $($Enter your response as a

percent rounded to two decimal places.$)$

c$.$ To achieve a $15$ percent multifactor productivity improvement by reducing overhead costs only, one needs to reduce the overhead cost by

a percent rounded to two decimal places.$)$

percent. $($Enter$-$your response as