Please show each working properly with an explanation for each step so that I understand

9. A company has revenues of 100 million, COGS are 60% of sales, operating expenses are 10% of sales (including depreciation). Interest expense is 3 million. Tax rate is 40%, dividend payout is 1/3. Assets are 100 million, Debt is 30 million, accounts payable are 6 million. Equity is 64 million. What is external financing need if the company grows at 12%. Assume Interest Expense stays constant. Assume any surplus goes to assets and any deficit goes to debt. Revenue Costs Opex Interest Pretax Taxes Net Dividends Change in RE Year 0 100 (60) (10) (3) +27 Year 1 112 (67.2) (11.2) (3) +30.6 16.2 (5.40) 18.36 (6.12) +12.24 Assets 100 112 A/P Debt Equity 6 30 64 6.72 30 64+12.24 = 76.24 Interim 112.96 Surplus of 0.96 put into cash Assets = 112.96