In the Energy Gel case,Wickler, Leiter and Nanzen argue about how to allocate costs for a new product launch.HPC wants to launch gels if its revenues minus incremental (relevant) costs provide an acceptable return on invested capital.Any costs that HPC will continue to incur without launching gels are irrelevant to the decision to launch gels.The only costs that are "relevant" are incremental costsi.e., costs that gels cause, which don't exist if gels are not introduced.Using the principle of relevant costs for the gel launch decision, evaluate and resolve the argument among Wickler, Leiter, and Nanzen,