The following data regarding purchases and sales of a commodity were taken from the related perpetual inventory account: 
Calculate the cost of the ending inventory at June 30, using (a) the first-in, first-out (FIFO) method and (b) the last-in, first-out (LIFO) method. Identify the quantity, unit price, and total cost of each lot in the inventory.
Definitions:
Cost Structure
Cost structure denotes the various types of expenses a business incurs and is typically categorized into fixed and variable costs, influencing pricing and profitability.
Driver's Side Air Bag
A safety device installed in vehicles to reduce the risk of injury to the driver in the event of a collision by rapidly inflating upon impact.
Automobile Manufacturer
A company that produces and sells vehicles designed for transporting people and goods on roads.
Property Taxes
Taxes assessed on real estate properties, based on the property's value, and paid to local governments.
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