Consider the following four step process:

$ABCD$

The following data are available for the four steps:

$\backslash$table$[[,$A$,$B$,$C$,$D$],[$Activity time per unit $($min$),0\mathrm{.}25,0\mathrm{.}33,0\mathrm{.}2,0\mathrm{.}5],[$Capacity per worker $($units$/$min$),4,3,5,2],[$Number of workers,$2,3,2,4]]$

Suppose the steps in activity D are made easier, so the activity time per unit in step D is increased by $20\%.$ If the assignment of workers to steps remains the same, what is the new capacity of the entire process in units per min? $($Answer as an integer.$)$

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