A jeweller and her apprentice make silver pins and necklaces by hand.each week they have 80hours of labor and 36 ounces of silver available.it requires 8 hours of labor and 2 ounces of silver to make a pin ,and 10 hours of labor and  6 ounces of silver to make a necklace .each pin also contains a small gem of some kind.the demand for pins is no more than six per week .A pin earns the jeweler $400 in profit and a necklace earns $100.the jeweler wants to know how many of each item to make each week in order to maximize profit  a) formulate an integer programming model for this problem b)solve this model using the branch and bound method  c)demonstrate the solution partitioning graphically

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A: Follow next step

Q: and

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