Mountain Country, Inc. sells an Xpert skateboard that is popular with skateboard enthusiasts. The following information ahows Mountain Country's purchases and sales of Xpert skateboards during November: Determine the cost of goods sold and ending inventory using (1) FIFO and (2) average cost, a5suming Mountain Countryuses a periodic inventory system. (Round FIFO answers to the neorest whole dollar, eg. 5,275 and Average cost answers to 2 decimal piaces 15.25. Round per unit cost to 2 decimal places, eg. 15.25.)