QUESTION TWO A company has three main departments, which are Sales & Marketing, Inventory and Workshop operations. The Finance department of this company has formulated a revenue maximization problem model for 2017 by representing the expected revenue from these three departments as X, Y and Z respectively, where both the figures and the variables are in millions of Ghana cedis as follows; X +Y +Z= 6 X-Y+Z= 2 2 X +Y+Z= 7 a) Find the Inverse of your Matrix b) Use a matrix method to solve for the values of the variables X, Y and Z. c) Which of the departments will generate the highest revenue? d) Which of the departments will generate the least revenue? TECHNO GHANA

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