$7)$Which activity is the bottleneck $?$

a$)$Order

b$)$Bread

c$)$Fill

d$)$Toaster

e$)$Wrapping

$8)$how many sandwiches does the subway produce per hour?

a$)100$

b$)96$

c$)360$

d$)144$

e$)31$

$9)$Suppose a student comes to subway to purchase a sandwich. How much time does it take to prepare her sandwhich?

a$)116$ seconds

b$)96$ seconds

c$)88\mathrm{.}5$ seconds

d$)122\mathrm{.}5$ seconds

e$)151$ seconds

$10)$If the management of subway decides to hire an additional employee for Wrapping then which activity is going to become the new bottleneck?

a$)$Order

b$)$Bread

c$)$Fill

d$)$Toaster

e$)$Wrapping

$11)$after the management of subway decided to hire an additional employee for Wrapping then by how many sandwiches per hour the productivity of process increased $?$

a$)24$

b$)44$

c$)60$

d$)9$

e$)144$