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Chapter4 - Question 15 The following (unlabelled) diagram shows the saving and planned investment representation of the two sector model. In moving from point a to point b which of the following must be correct? -25 -50 In moving from point a to point b which of the following must be correct? O (1-c) XAY = 25 O CXAY = 25 O (1-C) XAY = 0 O (1-c)XAY = -25 O CXAY = 0