Torrey's TopicalTextbook2 Samuel 24:24
And the king said to Araunah, No; but I will surely buy it of you at a price: neither will I offer burnt offerings to the LORD my God of that which does cost me nothing. So David bought the threshing floor and the oxen for fifty shekels of silver.Torrey's Topical Textbook—AKJV
And another said, I have bought five yoke of oxen, and I go to prove them: I pray you have me excused.
Torrey's Topical Textbook—AKJV