One of our best customers has had a major plant breakdown and wants us to make as many widgets for him as possible during the nezt few days, until he gets the necessary repairs dine. With our general purpose equipment there are several ways to make widgets (ignoring cost). Any sequence of activities that makes one from node 1 to node 6 in figure below will produce a widget.How many widgets can we produce per day? Quantities given are number of widgets per day.

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