Suppose the demand for Digital Video Recorders (DVRs) is given by Q = 2,460 + (60/p) +9pc where Q is the quantity of DVRs demanded (in 1000s), p is the price of a DVR, and pc is the price of cable television. How much does the quantity demanded for DVRs change if p increases from $4.5 to $6.5?
(Hint: enter a positive number to indicate an increase and a negative number to indicate a decrease. Also, enter the number of 1000s: for example enter 1.5 for 1,500.) Your Answer: ___