Question 12, 11.3.32-BE Part 5 of 6 HW Score: 66.64%, 8.66 of 13 po Points: 0.36 of 1 Suppose customers in a hardware store are willing to buy N(p) boxes of nails at p dollars per box, as given by the following parts (a) through (d). N(p) 70-4p2: (2sps5) h0 OD. lim f(a) provided the limit exists h-0 h Find the instantaneous rate of change of demand when the price is $3. The instantaneous rate of change of demand when the price is $3 is -24 boxes per dollar. (Type an integer or a decimal.) (c) Find the instantaneous rate of change of demand when the price is $4. The instantaneous rate of change of demand when the price is $4 is (Type an integer or a decimal.) boxes per dollar.