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Suppose that Suzuki Motors estimated the following Regression equation for their Auto Mobiles: QUIZ=200000-100P+2200N+501+30PF-8000PG+3A Where: Quir= Annual Quantity demanded of Suzuki Motors Pour= Price of Suzuki Automobiles in Rs N= Population of Pakistan in Millions I= Percapita income in Rs P= Price of Ford Automobiles in Rs Po= Price of Gasoline in Rs per liter A= Advertising expenditures by Suzuki Motors (a) Indicate the change in the number of Suzuki motors purchased per year (Q u2) for each unit change in the independent or explanatory variables. (b) Find the Average value of Quiz, If the average value of Paz=Rs 9,000, N=200 million, I= Rs 10,000, PF= Rs 8,000.PG=Rs 80, and A= Rs 2,00,000