$1)$ A circuit board in an electronics manufacturing process has a $17-$hour flow time, on average. Two hours of this time is spent being processed. Twelve hours is spent waiting between resources and the other three hours is spent on setup activities. What is the value$-$added percentage of the process?

A$)11\mathrm{.}8\%$

B$)17\mathrm{.}7\%$

C$)29\mathrm{.}4\%$

D$)70\mathrm{.}6\%$