'Rate' in the Bible

Then Abraham listened to Ephron, and Abraham weighed for Ephron the silver that he had named in the hearing of the Hittites: four hundred shekels of silver {at the merchants' current rate}.

I tell you, even if he does not give him [anything] [after he] gets up because [he] is his friend, at any rate because of his impudence he will get up [and] give him whatever he needs.