Please Fill the gray part and explain the parts of "Purchase of PP&E" and "Stock Issuance".

Balance Sheet 2018 200 2019 680 Cash AR Inventory Net PP &E Total Assets Income Statement 2019 Sales 7,200 COGS (4,000) Deprec. Exp. (800) Other Oper. Expenses (1,000) Net Income 1,400 1,800 6,000 8,680 2,300 7,600 Cash Flow Statement 2019 Net Income Depreciation Change in A/R (200) Change in Inv. Change in A/P (400) CFFO Sale of PP&E 1,000 Purchase of PP&E CFFIA Long-Term Borrowing Dividends (800) Stock Issuance CFFFA Net Change in Cash A/P 800 Long-Term Debt 1,600 Common Stock 4,000 Retained Earnings 2,280 Total Liab. & Equity 8.680 2,400 5,600