The Sahara Company's Inventory Was Partially Destroyed on June 4

The Sahara Company's inventory was partially destroyed on June 4, 2014, when its warehouse caught on fire early in the morning. Inventory that had a cost of $8,000 was saved. The accounting records, which were located in a fireproof vault, contained the following information: $\begin{array}{ll}\$ 260,000 & \text { Sales }(1 / 1 / 14 \text { through } 6 / 3 / 14) \\190,000 & \text { Purchases }(1 / 1 / 14 \text { through } 7 / 3 / 14) \\40,000 & \text { Inventory }(1 / 1 / 14) \\30 \% \text { of cost } & \text { Gross profit ratio }\end{array}$
Using the gross profit method, what is the estimated cost of the inventory destroyed by the fire?

A) $40,000
B) $30,000
C) $25,000
D) $22,000