$22$precedence diagram for producing one Micro Popcorn Popper are as follows:

a$)$ The theoretical minimum number of workstations $=$

$($Round your response up to the next whole number.$)$

$480$ minutes available during the day, and the average daily demand has been $54$ chairs. There are eight tasks below. The precedence diagram of this operation shown below.

This exercise only contains parts $b,c,d,e,f,$ and $g.$

b$)$ The cycle time for the production of a chair is

minutes $($round your response to two decimal places$).$