Dymac Applances uses the periodic inventory system. Details regarding the imvertory of appliances at January i, purchases invoices during the neat 12 monchs, and the inventory count at December 31 are summarlied as foliows: 1. Determine the cost of the inventory on December 31 by the firstin, firs-out methed. If the imventory of a paricular medel comprises one entire purchase plus a portion of another porchase acquired at a orierent unit cost, use a stourate line for each purchase. If units are in inventory at two different costs, enter the units PUACHASED MOST RCCENTYY fiss: 1. Determine the cost of the inventary on December 31 by the foutin, firstrout methed. If the imentory of a particular modet comprises one entire purchase plus a portion of another purehase akovired at a offerent unt cout, ose a separate line far mach 2. Determine the cott of the inventory an December 31 by the latsun, fint out method 3. Determine the cost of the imventory on December 31 by the weighted average cost method. 4. would be preferred for income tax purposes in petiods of ning peices