please help for accounting

Suppose a company had the following inventory information: - Beginning Inventory: 90 units @ \$4.00 cost per unit - Purchases: 180 units @ $7.00 cost per unit If the company then sold 190 units, what would be the amount of COGS under LIFO? $1,260 $1,620 $1,060 $1,300 Suppose a company had the following inventory information: - Beginning Inventory: 90 units @ \$4.00 cost per unit - Purchases: 180 units @ $7.00 cost per unit If the company then sold 190 units, what would be the amount of ending inventory under FIFO? $360 $1,260 $1,060 $560 Suppose a company had the following inventory information: - Beginning Inventory: 90 units @ $4.00 cost per unit - Purchases: 180 units @ $7.00 cost per unit If the company then sold 220 units, what would be the amount of ending inventory under the average cost method? $360 $300 $1,140 $480