Question: Consider a variant of the task scheduling problem where each activity has a cost c associated with it and the problem now is to find

Consider a variant of the task scheduling problem where each activity has a
cost c associated with it and the problem now is to find a set of non-conflicting activities such that cost is minimized (note that this is different than having the maximum number of activities). Show, using a counterexample that the greedy choice of earliest finish time will not yield an optimal solution for this new problem

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