The Creative Publishing Company (CPC) is a coupon book publisher with markets in several southeastern states. CPC coupon books are sold directly to the public, sold through religious and other charitable organizations, or given away as promotional items. Operating experience during the past year suggests the following demand function for CPC's coupon books where Q is quantity, P is price ($), Pop is population, I is disposable income per household ($), and A is advertising expenditures ($). A. Determine the demand faced by CPC in a typical market in which P = $10, Pop - 1 000000 persons, I $60000, and A $10000. B. Calculate the level of demand if CPC increases annual advertising expenditures from $10000 to $15000. C. Calculate the demand curves faced by CPC in parts A and B