$8\mathrm{.}2$ Read the following $3$ statements:

a$)$ Inventory that is in transit between the manufacturer and the customer is kriown as work$-$in$-$progress $($WIP$).$

b$)$ Holding cost is one of the types of costs related to keeping inventory.

c$)$ The A$-$B$-$C inventory classification system is based on the Pareto principle.

Which of the above statements is$/$are correct?

$[1]$ b and c

$[2]$ a and $c$

$[3]$ a and $b$

$[4]$ a$,$ b and $c$

$[5]$ none $($not a$,$ b or c$)$