A Pizza store is planning to redesign its layout. The precedence relationship for preparing a pizza

meal is given in the table below. The demand for the pizza is $200$ pizzas in an eight hour shift. $[5]$

$($a$)$ Draw precedence diagram of this process.

$($b$)$ Given the demand, what is the cycle time?

$($c$)$ Suggest an efficient layout and compute efficiency of the process.

Task Description Predecessor Time

$($minutes$)$

A Shape the dough to form the

crust

None $2$

B Add the pizza sauce A $1$

C Add the cheese B $2$

D Add the sausage C $0\mathrm{.}75$

E Add the pepperoni C $1$

F Package the pizza D$,$E $1\mathrm{.}5$

G Label the package F $0\mathrm{.}5$