Use This Inventory Information for the Month of May to Answer

Use this inventory information for the month of May to answer the following question. $$\begin{array} { r r l l } \text { May } &1& \text { Begnning inventory } & \text { 20 units @ } 76 \\& 7 & \text { Purchase } & 70 \text { units @ } \$ 80 \\&18 & \text { Sale } & 25 \text { units } \\&22 & \text { purchase } & 10 \text { units @ } \$ 88 \\&29 & \text { Sale } & 40 \text { units }\end{array}$$ Assuming that a periodic inventory system is used,what is ending inventory (rounded) under the average-cost method?

A) $5,200
B) $5,288
C) $2,848
D) $2,800