Business A has $5$ workers $-$ working each $40$ hours a week $-$ paid $$1950$ a week each, and purchases $$20000$ worth of materials. Last week it produced $590$ units. Business B has $6$ workers $$ working each $36$ hours a week $-$ paid $$1750$ a week each, and purchases $$22000$ worth of materials. Last week it produced $670$ units. On a weekly basis, which of the two businesses is more productive overall? Which one has better labor$-$hour productivity?