Ch$.5.$ Based on the transition matrix from an auto parts manufacturer below which of the following positions has the lowest retention rate for the "position" from $20016$ to $2019($not necessarily leaving the organization$)?$

$\backslash$table$[[2016,2019],[(1),(2),(3),(4),(5),(6),(7),(8)],[(1)$ Sales manager,$\mathrm{.}95,,,,,,,05],[(2)$ Sales representative,$\mathrm{.}05,60,,,,,,135],[(3)$ Sales apprentice,,$20,50,,,,,30],[(4)$ Assistant plant manager,,,,$90,05,,,05],[(5)$ Production manager,,,,$10,75,,,\mathrm{.}15],[(6)$ Production assembler,,,,,$10,80,,10],[(7)$ Clerical,,,,,,,$70,30],[(8)$ Not in organization,$00,20,50,\mathrm{.}00,10,20,30,]]$

a$.$ Sales apprentice

b$.$ Production Manager

c$.$ Sales Representative

d$.$ Production assembler

e$.$ Clerical

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