The case of one who designates ma'aser sheni money towards a peace-offering, can that work? The Gemara delves into the level of sacredness of the various properties. Also, a new mishnah! One who takes an oath to bring a sacrifice... which leads us right into the Passover offering, in perfect timing. Really, on the question of what funds can be used to purchase the offering. Also, more on the purchase of the all mandatory offerings - which are bought with non-sacred funds.