Rachel spends her entire weekly budget M > O on chocolates (x) and truecrime books (y). If she spends all of M, she can buy: 0 4 chocolates and 4 books 0 5 chocolates and 3 books Wherever rounding is needed, please round to 3 decimal points. (a) (1 point) Let px denote the price of a chocolate (x) and py denote the price of truecrime books (y); Using the above information, we can determine that Px/Py = (b) (1 point) If Rachel spends entire income M on buying books ()2), what is the maximum number of books she could buy? y: (c) (1 point) If Rachel spends entire income M on buying chocolates (x), what is the maximum number of chocolates she could buy? x: (d) (1 point) Rachel's preferences over chocolates (x) and truecrime books (y) is given by the utility function x, x 2 y, y, x