These are two discussion questions for an online class. Minimum 270 words. 1. Describe and compare the four criteria commonly used for evaluating and selecting investment projects? Net present value (NPV) Profitability index (PI) Internal rate of return (IRR) Payback (PB) period 2. What major problems can you envisage in applying capital budgeting techniques to investments made by public sector and not-for-profit businesses? Minimum of 2 References, Please dont use Investopedia.