-The Demand for Pizzas in a Large Town Is Written

-The demand for pizzas in a large town is written as: Qd = 120 - 10P + 5Pb - 0.5Ps - 10Y,where Qd is the quantity demanded,P is the price,Pb is the price of burritos,Ps is the price of soft drinks sold in the pizza restaurants,and Y is personal income per month (in thousand dollars) .If there is a $1,000 increase in personal income,how will the Qd change?

A) increase by 10
B) decrease by 10
C) unchanged
D) not enough information provided

Correct Answer:

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