$[$The following information applies to the questions displayed below.$]$

The following information pertains to the inventory of Parvin Company during Year $2.$

January $1$ Beginning Inventory $400$ units @ $$30$

April $1$ Purchased $2,000$ units @ $$35$

October $1$ Purchased $600$ units @ $$38$

During Year $2,$ Parvin sold $2,700$ units of inventory at $$90$ per unit and incurred $$41,500$ of operating expenses. Parvin currently uses the FIFO method but is considering a change to LIFO. All transactions are cash transactions. Assume a $30$ percent income tax rate. Parvin started the period with cash of $$75,000,$ inventory of $$12,000,$ common stock of $$50,000,$ and retained earnings of $$37,000.$

Required

a$.$ Record the above transactions in general journal form and post to T$-$accounts using $(1)$ FIFO and $(2)$ LIFO. Use a separate set of journal entries and T$-$accounts for each method.