Question: For any variable X, X = ' change in X', where is the Greek (uppercase) letter Delta. If AL and 1 More generally, if AK
For any variable X, X ='change in X', where is the Greek (uppercase) letter Delta.

If AL and 1 More generally, if AK = 0 then: Example 2: AK = O then AY = MPL MPL AL so MPC x (AY AT AT) AC AC MPC AY - MPC AT
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