E6-29 (Supplement 6B) Recording Purchases and Sales Using Perpetual and Periodic Inventory Systems Kangaroo Jim Company reported beginning inventory of 100 units at a per unit cost of $25. It had the following purchase and sales transactions during the year: Jan. 14 Apr. 9 Sept. 2 Dec. 31 Sold 25 units at unit sales price of $45 on account. Purchased 15 additional units at a per unit cost of $25 on account. Sold 50 units at a sales price of $50 on account. Counted inventory and determined 40 units were still on hand. Required: Record each transaction, assuming that Kangaroo Jim Company uses (a) a perpetual inventory system and (b) a periodic inventory system.