In "A Quality Harvest," which of the following is not one of the wise man's heuristics?

a) Once an effective solution is proven, it should be shared and implemented across the organization.
b) Graphs and clearer visual representations of problems and solutions can be very beneficial to decision makers.
c) Decision makers should immediately implement as many solutions as they can think of to make sure an isolated problem is solved in a timely manner.
d) It is important to measure the results of any implemented solutions.