Accounting, I need hand write calculations step by step please

Canfield uses a perpetual inventory system. The company's beginning inventory of a particular product and its purchases during the month of January were as follows: Quantity Unit Cost Total Cost Beginning inventory (1 Jn Purchase (10 Jan.). Purchase (22 Jan.)... ..50 25 $6 $7 $8 $300 $175 $200 $675 25 Total 100 On 25 January, Canfield sells SS units (50 units from beginning inventory, and 5 units from 22 Jan purchase) of this product. The other 45 units remain in inventory at 31 January a Determine the cost of goods sold using each of the following valuation methods: (1) Specific cost identification (2) FIFO (3) Weighted average cost Determine the cost of the 45 units in inventory at 31 January using each of the following valuation b methods: (1) Specific cost identification (2) FIFO (3) Weighted average cost