I need help to solve different kinds of calculations for my Managerial finance class. I want help with step by step solutions, to find the Net Present Value, Payback, Accounting Rate of Return(ARR), Internal Rate of Return, How Firms Estimate their Cost of capital, the cost of debt, cost of equity, using the WACC in practice, coupon rate, M&M proposition 1 and 2, stock splits,stock dividends and stock splits, type of dividends, the ex-dividend date, Hoe stock repurchases differ from dividends, and how stock is repurchased?