Please help with explanation. Thanks in advance.

The accounting records of Wall's China Shop reflected the following balances as of January 1, Year 2: Cash Beginning inventory Common stock Retained earnings $16,900 17,630 (205 units @ $86) 14,100 20,430 The following five transactions occurred in Year 2: 1. First purchase (cash) 125 units @ $88 2. Second purchase (cash) 200 units @ $96 3. Sales (all cash) 360 units @ $189 4. Paid $15,900 cash for salaries expense 5. Paid cash for income tax at the rate of 25 percent of income before taxes WALL'S CHINA SHOP Balance Sheets As of December 31, Year 2 FIFO LIFO Weighted Average Assets Cash Inventory $ 0 $ 0 $ 0 Total assets Stockholders' equity Common stock Retained earnings Total stockholders' equity $ 0 $ 0 $ 0 WALL'S CHINA SHOP Statements of Cash Flows For the Year Ended December 31, Year 2 FIFO LIFO Weighted Average Cash flows from operating activities > 0 0 0 Net cash flows from operating activities Cash flows from investing activities Cash flows from financing activities Net change in cash 0 0 0 Ending cash balance $ 0 $ 0 $ 0