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Annual demand and supply for the Entronics company

Annual demand and supply for the Entronics company is given by:

QD = 5,000 + 0.5 I + 0.2 A - 100P

QS = -5000 + 100P

where Q is the quantity per year, P is price, I is income per household, and A is advertising expenditure.

a) If A = $10,000 and I = $25,000, what is the demand curve?

b) what is equilibrium price and quantity?

a. QD = 19,600 - 100P
b. P = $140, Q = 8,500

a. QD = 19,500 - 100P
b. P = $122.50, Q =7,250

a. QD = 19,500 - 100P
b. P = 122.00, Q = 8,500

a. QD = 22,000 - 200P
b. P = 7,250, Q = 122.50

$2.19