You are the preident of a company that ell item on an online auction webite. Each week, the webite provide an average cutomer rating for each company on their ite. They ue a cale from negative ten to ten, where negative ten i the wort rating and ten i the bet. The firt average cutomer rating you received wa a negative four. Once you get better organized and hip order more quickly, your average cutomer rating increae at a rate of zero point five point per week