kindly answer All parts of the question as soon as possible.

Shown below is activity for one of the products of Denver Office Equipment: January 1 balance, 500 units @ \$55 per unit leaves total $27,500 Purchases January 10: 500 units @ \$60 per unit January 20:1,000 units @ \$63 per unit a. Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses FIFO. b. Compute the January 31 ending inventory and cost of goods sold for January, assuming Denver uses LIFO and a perpetual inventory system. (Hint: perpetual inventory system means COGS is calculated whenever a sale takes place.)