A foundry produces circular utility access hatches $($manhole covers$).$ If $120$ covers are produced in a $10$hour shift, the productivity of the line is:

Select one:

a$.2$ covers$/$hr$.$

b$.12$ covers$/$hr$.$

c$.120$ covers$/$hr$.$

d$.1200$ covers$/$hr$.$

e$.1\mathrm{.}2$ covers$/$hr$.$