Ivanhoe Company uses a periodic inventory system. Its records show the following for the month of April, with 25 units on hand at April 30: (a) Your answer is correct. Calculate the ending inventory and cost of goods sold at April 30 using the FIFO and weighted average cost formulas. (Round the weighted average cost per unit to 2 decimal places, e.g. 52.75 and final answers to 0 decimal places, e.g. 5.275. ) Prove the cost of goods sold calculations. (Round the weighted average cost per unit to 2 decimal places, e.g. 52.75 and otheranswers to O decimal places, e.g. 5,275.)