During 2012,a Company Sells 400 Units of Inventory for $85

During 2012,a company sells 400 units of inventory for $85 each.The company has the following inventory purchase transactions for 2012:
$$\begin{array} { l l c c c } \text { Date } &{ \text { Transaction } } & \begin{array} { c } \text { Number } \\\text { of Units }\end{array} & \begin{array} { r } \text { Unit } \\\text { Cost }\end{array} & \begin{array} { c } \text { Total } \\\text { Cost }\end{array} \\\text { Jan. 1 } & \text { Beginning inventory } & 60 & \$ 70 & \$ 4,200 \\\text { May 5 } & \text { Purchase } & 180 & 72 & 12,960 \\\text { Nov. 3 } & \text { Purchase } & 190 & 75 & 14,250 \\\hline& & 430 & & \$ 31,410 \\\hline\end{array}$$
Calculate ending inventory and cost of goods sold for 2012 assuming the company uses LIFO with a periodic inventory system.