Company Y has two processing centers. Center A has $12$ workers, and can process $240$ forms

every day. The average salary is $$100/$worker$/$day$.$ Center B has $15$ workers, and can process

$360$ forms every day. The average salary is $$150/$worker$/$day$.$ Now the company wants to

assign a new order to the center with the higher productivity. $(20$pt$)$

$(1)$ If the manager likes to use forms$/$worker to measure the productivity, which center is

better?

$(2)$ If the manager likes to use forms$/$$ to measure the productivity, which center is better?