Second Book of Kings (Author Compiled by Isaias from records of Samuel, David, Nathan, and Gad.)
24:24And the king answered him, and said: Nay, but I will buy it of thee, at a price, and I will not offer to the Lord my God holocausts free cost. So David bought the floor, and the oxen, for fifty sicles of silver:
Original from Project Gutenberg - Massive cleanup of OCR problems and editing done locally.