BCMH must decide on how it will supply the OR with nursing staff. They are currently staffed with 60 percent permanent staff, 35 percent temporary staff and 5 percent on call staff. One option is to do nothing since it is filling the required need, as this is one of the assumption made. The second option is to use a forecasting model or Excel Solver to anticipate demand and adjust the makeup of permanent, temporary and on call staff ratios. The third and final option is to outsource 100 percent of the nursing staff. How doe use excel solver to find an answer