The Ox: Publicly Sold
Source: TTT
2 Samuel 24:24
“No,” replied the king, “I insist on paying a price, for I will not offer to the LORD my God burnt offerings that cost me nothing.” So David bought the threshing floor and the oxen for fifty shekels of silver.
Luke 14:19
Another said, ‘I have bought five yoke of oxen, and I am going to try them out. Please excuse me.’