Use the Information That Follows Concerning Edward Company to Answer

Use the information that follows concerning Edward Company to answer problems
Edward Company began business on January 1 and uses the periodic system. During January, Edward made the following purchases:
$\begin{array}{llr}\text { January 3: } & 100 \text { units } @ \$ 30 & \$ 3,000 \\\text { January 21: } & 400 \text { units } @ \$ 20 & \$ 8,000 \\\text { January sales: } & 320 \text { units } \$ 40 & \$ 12,800\end{array}$
Other information:
$\begin{array}{lrr} \text { January expenses excluding cost of goods sold } &\$800\\ \text { January 31 current assets excluding inventory } &11,000\\ \text {January 31 current liabilities } &6,000\\ \text { Number of shares of common stock } &300\\\end{array}$

-Calculate Edward's January current ratio under the FIFO and LIFO cost flow assumptions.