Highway $65,$ Incorporated, is going to elect Seven board members next month. Marisol owns $17\mathrm{.}8$ percent of the total shares outstanding.

a$.$

What percentage of stock is needed to have one of her friends elected under the cumulative voting rule? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

b$.$ What percentage of stock is needed to have one of her friends elected under the staggered cumulative voting rule, under which shareholders vote on One board member$($s$)$ at a time? $($Do not round intermediate calculations and enter your answer as a percent rounded to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)\backslash$