Can someone help me to understand how to solve this kind of problems?

Below is Post-Closing Trial Balance from previous month. All amount in RpOO(). You are to prepare this month financial reports based on accounting cycle instructions. PT ABC As of 30 June, 2020=1 Jul, 2020 1 Cash and Bank 2 Accounts Receivable 3 Office Su lies 4 id Insurance 5 E ui ment 6 Accumulated D eciation-E ui ent 7 Machin 8 Accumulated D eciation-Machin 9 Bank able 10 Accounts Pa able II Uneamed Revenue 12 Salaries Pa able 13 Ownes Ca ital Total INSTRUCTIONS: 1 Prepare general joumals for transactions Of the month. Post-Closin TB 10.400 8.800 2.300 3.600 12.000 1.800 10.000 47.100 400 20.000 2.200 400 22.300 47.100 2 Posting the general journal into ledgers (you may use T-account) given on page 3. 3 Prepare Un-adjusted Tlial Balance on a worksheet (10 columns) given on page 5. 4 Prepare adjusting journal entries. 5 Posting adjusting journals into ledgers. 6 Enter the adjusting journals into the worksheet, 7 Complete the rest of worksheet. 8 Prepare 3 Financial Statements (Income Statement, Equity, Balance Sheet) given on page 4. 9 Prepare closing journal entries, 10 Posting the closing journals into ledgers. 11 Prepare a Post-Closing Trial Balance for end Of the month.