A new textbook is published in the spring of 2014. Your campus bookstore buys 400
copies at $70 each in June, an additional 1,000 copies in August at $72 each, and 600
copies in December at $75 each. At the end of December 2014, the bookstore has sold
1,900 copies of the text.
Calculate the cost of goods sold and the cost of ending inventory:
a) under the weighted average cost method.
b) under the FIFO method.
c) under the LIFO method.
Using your calculations as a guide, explain how different inventory costing methods
affect the numerator and denominator of the inventory turnover ratio when unit costs
are increasing. Conclude your explanation by identifying the method that produces the
highest (and lowest) inventory turnover ratio.
Answer: