Tested on Humans

What are the complexities involved while doing marketing research across the world as compared to domestic research?
Any help please or a good website, more 
and Can someone give me the price list for starbucks ?  for my business course in uni, i have to do some market research, and i;ce left it till late, so i can;t pop down to starbucks so can anyone please give me the price list for the hot drinks ? x, more 

and Please help me with calculus!!! 10 pts for best answer?  5) Find the point(s) on the curve, y = x2 x 1 that is closest to the point, (-1, 2). Hint: Use the Pythagorean formula for distance to find a function that relates the x coordinate of a point on the curve with the distance of that point to (-1, 2), and find the x that minimizes that functions. Another Hint: Observe that if you minimize the square of the distance, you also minimize the distance.
6) No tutorial on maxima-minima problems would be complete without an economics problems. Suppose you are in the business of manufacturing and selling bow-ties. Your marketing research indicates that the number of bow-ties you will sell each month is related to the price you charge, x, according to the function:
n(x) = 40000 - 800x
This is called the demand function. So, for example, if you gave them away, you would only get rid of 40,000 bow-ties per month. At the opposite end, if you charged $50 apiece for them, you would sell none. You are looking for a happy medium in between where you will earn some profit. It turns out it costs you $1000 per month to rent the building where you have your bow-tie factory. It also costs you $2 per bow-tie in material and labor to produce them. If profit is revenue minus cost, determine the price, x, you should charge in order to maximize your profit.
7) Rosie O’Donnell is swimming 50 meters from the shore. When she looks up she sees Tom Cruise standing at water’s edge 100 meters down the beach from where Rosie is swimming. If you have watched Rosie’s television show, you know that she has a thing for Tom Cruise. Rosie’s top speed swimming is one meter per second. Her top speed running is 4 meters per second. What point on the beach should she swim for in order to minimize her time to reach Tom Cruise, more