Instructions Identify the choice that best completes the statement or answers the question. Scenario 1 The demand for the Samsung Galaxy 9 is given by Qd = 9500 + 0.15N + 2.2Pl - 4.9P where: N = income measured in thousands of dollars (000's) Pi = price of iPhoneX P = price of the Samsung Galaxy 9 1. Refer to Scenario 1. If income is $90,000, the price of the iPhone is $800, and the price of the Samsung Galaxy 9 is $905, what is the quantity demanded for the Samsung Galaxy 9? Round down to the nearest whole number if necessary. a. 8391 . 20325 b c. 8762 d. 6839