Undew Inc.s inventory records showed the following data for an item it sells regularly.DateUnitsUnit CostJan. $1$ Inventory $($beg$.)2,800$$$10\mathrm{.}00$Jan. $3$ Purchases$25,200$$$10\mathrm{.}40$Jan. $7$ Sales $($at $$26$ per unit$)9,800$Jan. $20$ Purchases$8,400$$$11\mathrm{.}00$Jan. $22$ Sales $($at $$27$ per unit$)22,400$Jan. $30$ Purchases$4,200$$$12\mathrm{.}00$ a$.$ Assuming that Undew maintains a periodic inventory system, compute ending inventory and cost of goods sold for the month ending January $31$ using $(1)$ average cost, $(2)$ FIFO, and $(3)$ LIFO.b$.$ Assuming that Undew maintains a perpetual inventory system, compute ending inventory and cost of goods sold for the month ending January $31$ using $(1)$ moving average, $(2)$ FIFO, and $(3)$ LIFO