Recording Sales Tiansactions Mathis Compary and Aecce Combony use the perpeluat inventory system, The following transactions octurred during the month of Aperit b. On Aoril 1, Mathis gaid freight charges of $100 cath to hove the poods delivered to its warehoune c. On Apre B, Mathis returned \$1,000 of the merchandise, which had originaly cost heece $700. a. On Aprit t0, Mathis pald Recce the balance due