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Find the incorrect option from the following?

Solution

✅ Correct Option: 4

At the break-even point APC=1 and APS=0, and since AD=C+I with I autonomous, the slope of the AD curve equals MPC — all correct. However, the slope of the saving curve is MPS (=1−MPC=1-MPC), not MPC, so option 4 is incorrect.

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