one component, the safety chain clip:

$\backslash$table$[[$Setup labor cost,$$30$ per hour$],[$Annual holding cost,$$13$ per unit$],[$Daily production,$960$ units$/8$ hour day$],[$Annual demand, days each $$ daily demand of $144$ units$)],[$Desired lot size,$120$ units $($one hour of production$)]]$

To obtain the desired lot size, the set$-$up time that should be achieved $=q,$ minutes $($round your response to two decimal places$)$