The ABC marketing consulting firm found that a particular brand of portable stereo has the following demand curve for a certain region:
Q=10,000-200P+0.03Pop+0.6I+0.2A
Where Q is the quantity per month, P is price($), Pop is population, I is disposable income per household($), and A is advertising expenditure($).
a.) Determine the demand curve in a market in a market in which P=300, Pop=1,000,000, I=30,000, and A=15,000.
b.) Calculate the quantity demanded at prices of $200, $175, $150, and $125.
c.) Calculate the price necessary to sell 45,000 units.