d. Two business students decided to open a small company together to sell the own brand of sheakers. After doing some research, they estimated that the wholesale price of their product p (in dollars) would be related to the monthly supply x (in hundre airs) by the equation 5 x + p = 4700 ow fast is the quantity demanded changing when the unit price (per pair of sneakers) is $40 dollars, the monthly supply is x = 15 and the unit price is increasing at a rate of $4 dollars per month? ote: Enter your solution as a decimal rounded to four (4) decimal places without units.