Question

Scenario 1 The demand for the Samsung G8 smartphone is given by Qd 12000 +.01N + 2.2PI- 40.8D - 3.2P where: N- income measured in thousands of dollars (000s) PI price of the iPhone 7 measured in dollars D -price of data plans from service providers measured in dollars P -price of the Samsung G8 measured in dollars

why the answer is 7980?? I got 8880....

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Answer #1

Answer
Qd=12000+0.01N+2.2PI-40.8D-3.2P
N=90 ........... the income is in 000 of dollars
PI=700
D=50
P=1100
Qd=12000+0.01*90+2.2*700-40.8*50-3.2*1100
=7980.9
The demand is 7980 units

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