financial management questions with excel calculation

some of the question require the use of excel and need to show the calculation. in summary:

• Part A: Car loan calculation and amortization schedule creation.
• Part B: Risk analysis involving systematic and unsystematic risks.
• Part C: Net Present Value (NPV) and Internal Rate of Return (IRR) calculation to assess a machinery purchase.
• Part D: Evaluation of Tesla’s ‘Auto Park’ project using CAPM, cost of financing, WACC, and capital budgeting techniques.