The$$ three$-$station work cell at TU Manufacturing is illustrated in the figure below. It has two machines at station $1$ in parallel$($i$.$e$.,$ the product needs to go through only one of the two machines before proceeding to station$2).$

a$.$ The bottleneck station is $\_\_\_\_\_$ with a bottleneck time of $\_\_\_\_\_.[$ Select $]["$Station $1,30$ minutes per unit", "Station $3,20$ minutes per unit", "Station $2,10$ minutes per unit", "Station $1,15$ minutes per unit"$]$

b$.$ The throughput time is $\_\_\_\_\_.[$ Select $]["4/$hour$","2/$hour$","28$ minutes", $"43$ minutes"$]$

c$.$ If the firm operates for one $8$ hour day, the daily capacity of the work$-$cell is $\_\_\_\_\_.[$ Select $]["32","11\mathrm{.}16","16","48"]$