What are the ranges of optimality for the profit of Product 1, Product 2, Product 3, and Product 4? (b) Find the shadow prices of the three constraints and interpret their meanings. What are the ranges in which each of these shadow prices is valid? (c) If the profit contribution of Product 4 changes from $10 per unit to $15 per unit, what will be the optimal solution? What will be the new total profit? (Note: Answer this question by using the sensitivity results given above. Do not solve the problem again).

Standardization is associated with which of the following management orientations? a) ethnocentric orientation b) polycentric orientation c) regiocentric orientation d) geocentric orientation

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Inventory by three methods; cost of goods sold the units of an item available for sale during the year were as follows: jan. 1 inventory 20 units at $1,800 may 15 purchase 31 units at $1,950 aug. 7 purchase 13 units at $2,040 nov. 20 purchase 16 units at $2,100 there are 18 units of the item in the physical inventory at december 31. determine the cost of ending inventory and the cost of goods sold by three methods, presenting your answers in the following form: round your final answers to the nearest dollar. cost inventory method ending inventory cost of goods sold a. first-in, first-out method $ $ b. last-in, first-out method $ $ c. weighted average cost method $ $