Specialty Smells, Inc. uses a four$-$step process to manufacture their super$-$luxurious "Essence of Luxury" brand of perfume. The process consists of $($A$)$ measuring the ingredients, $($B$)$ mixing the ingredients, $($C$)$ filling the bottle, and $($D$)$ putting the lid on the bottle. What is the cycle time of the bottleneck, in minutes if A

$=$

$1$

$9$

$$minutes$,$ B

$=$

$2$

$0$

$$minutes$,$ C

$=$

minutes, and D

$=$

$4$

$$minutes