Question: Please provide explanation for each subparts answer please. 16. A garden store prepares various grades of pine bark for mulch: nuggets (x), mini-nuggets (x), and

Please provide explanation for each subpartsPlease provide explanation for each subparts answer please.

16. A garden store prepares various grades of pine bark for mulch: nuggets (x), mini-nuggets (x), and chips (x3). The process requires pine bark, machine time, labor time, and storage space. The following model has been developed. Maximize Z = 9 x + 9x2 + 6x3 (profit) Subject to Bark 5x + 6x + 3x3 600 pounds Machine 2x + 4x2 + 5x3 600 minutes Labor 2x + 4x + 3x3 480 hours Storage 1x + 1x + 1x3 150 bags X1 X2, X3 2 0 a. What is the marginal value of a pound of pine bark? Over what range is this price value appropriate? b. What is the maximum price the store would be justified in paying for additional pine bark? c. What is the marginal value of labor? Over what range is this value in effect? d. The manager obtained additional machine time through better scheduling. How much addi- tional machine time can be effectively used for this operation? Why? e. If the manager can obtain either additional pine bark or additional storage space, which one should she choose and how much (assuming additional quantities cost the same as usual)? f. If a change in the chip operation increased the profit on chips from $6 per bag to $7 per bag, would the optimal quantities change? Would the value of the objective function change? If so, what would the new value(s) be? g. If profits on chips increased to $7 per bag and profits on nuggets decreased by $.60, would the optimal quantities change? Would the value of the objective function change? If so, what would the new value(s) be? h. If the amount of pine bark available decreased by 15 pounds, machine time decreased by 27 minutes, and storage capacity increased by five bags, would this fall in the range of feasibility for multiple changes? If so, what would the value of the objective function be

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