10. A company uses a periodic LIFO inventory system, and has the following purchases and sales. January 1 150 units were purchased at $9 per unit. January 17 120 units were sold. January 20 160 units were purchased at $11 per unit. January 29 150 units were sold. Using the attached T-account template (or a spreadsheet that specifies each relevant account in a separate column and indicates whether the account is increased or decreased by the transaction) prepare the purchase and sale transactions indicated above.