Stewart Company Sold 180 Units @ $320 Each on October

Stewart Company sold 180 units @ $320 each on October 31, 2014. Cash selling and administrative expenses were $15,000. The following information is also available: $\begin{array}{ll}\text { Beginning inventory } & 30 \text { units } @ \$ 180 \\\text { Feb } 3 \text { purchase } & 60 \text { units } @ \$ 190 \\\text { June 2 purchase } & 70 \text { units } @ \$ 220 \\\text { Oct } 1 \text { purchase } & 40 \text { units } @ \$ 230\end{array}$
The company's income tax rate is 40%.
Required:
a) Determine the amount of cost of goods sold using:
FIFO
LIFO
Weighted Average
b) Determine the amount of ending inventory using:
FIFO
LIFO
Weighted Average
c) Determine the company's net income (after income taxes) using:
FIFO
LIFO