Question: Toughluck Inc.'s warehouse was completely destroyed by fire. Fortunately, their accounting records were in a separate area and survived unharmed. The company has determined that their inventory at the start of the current year was valued at $300,000, and their purchases to the date of the fire were $450,000. Their sales to the date of the fire were $600,000, and their goods are generally priced to sell at a 25% markup on cost. What is the amount of the inventory loss that the company will claim for insurance purposes?
A : $330,000
B : $300,000
C : $270,000