Question 4 5.89 pts Below, please identify all legitimate reasons as to why the 'Payback Rule' is considered extremely inferior to the 'NPV Rule': O (a) Payback does not properly take into account the original cost of the project. O (b) Payback does not take into account the time value of money. O (c) The 'Payback period', or time by which payback is demanded, is somewhat arbitrarily set. O (d) Unlike NPV and IRR models, future cash flow estimates are uncertain when using the payback model. (e) all of the above