Martins Game Stop began the current quarter with the following inventory: 900 units @ $10 per unit and 250 units @ $12 per unit. During the quarter, Martin purchased 400 units @ $13 per unit and sold 680 units. Martin prepares interim financial statements each quarter. Required: a. Determine the amount of LIFO liquidation profit for the quarter. b. Assume the liquidation is not to be reflected in the current quarter's financial statements. Prepare the necessary adjusting entry.