[سوسآ]

بنآآآآت اللي حلت الهومورك تقولي ايش الآجوبه لدي الاسآله
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3 . - it means that we must choose of the human wants to satisfy them according to their importance ( )
4-it shows the various combinations of two products that can be produced if resources are full employed and sufficient in use ( )
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As we move along the PPF the opportunity cost is -------------------4-

بليزز بوكرآ لآزمم اسلمم
رببي يجججزآآكم الجججننه