What is a disadvantage of the payback method? It can be used to cheaply separate desirable projects from less desirable ones. It ignores cash inflows earned before the payback period. It is difficult to calculate. It ignores cash inflows earned after the payback period, Question 27 2 pts Several of the characteristics of investments are that they respond to a need, the risks are negligible and are often done to maintain operating efficiencies. none of these compulsory capital expense opportunity