ACCOUNTING AND FINANCIAL MANAGEMENT Question 1: Cupcake Sdn Bhd is considering the purchase of a machine that costs RM50,000. Assume the required rate of return is 10% and the following is the cash flow schedule. Year RM 1 20,000 2 30,000 3 20,000 1) What is the payback period of the machine? 2) What is the net present value (NPV) of the machine? 3) What is the internal rate of return (IRR) of the machine? 4) What is the machine's profitability index (PI)