Gently Used Cars Is a Dealer That Uses the Periodic

Gently Used Cars is a dealer that uses the periodic inventory system.The data presented below is from the accounting records of Gently for the year ended December 31,2017.
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$$\begin{array} { l r } \text { Sales } & \$ 585,000 \\\text { Sales discounts } & 3,000 \\\text { Purchases } & 420,000 \\\text { Purchase returns } & 5,000 \\\text { Inventory (January 1, 2017) } & 33,000 \\\text { Inventory (December 31,2017) } & 37,000 \\\text { Operating expenses } & 146,000 \\\text { Transportation-in } & 10,000 \\\text { Retained earnings (January 1, 2017) } & 71,000\end{array}$$ Using the amounts provided above,calculate the cost of goods sold for 2017.