Examine the wax paper, aluminum foil, and plastic wrap. which do you think would create more friction? why

The returns of the company as it is given is already large that is 91% and to get an outcome even better is what it is getting now. There should be certain improvements that needs to be applied  with the help of stoichiometric data gathered.

Explanation:

Since the cost of materials cannot be affected and have to be bought under similar rate of cost of working or process can be decreased. By using  machines calculation and mechanical devices this come would be accurate and the laws would be minimised. Hence the companies outcome would increase.