Aji's utility function for Blueberry (b) and Raspberry (r) is given as U = f(b, r); Budget constraint: 100 = 4b + 5r, If Blueberry is graph in the horizontal axis and Raspberry on the Vertical axis,...

Extracted text: Aji's utility function for Blueberry (b) and Raspberry (r) is given as U = f(b, r); Budget constraint: 100 = 4b + 5r, If Blueberry is graph in the horizontal axis and Raspberry on the Vertical axis, the slope of this budget line is (Please put your answer in fraction form like 3/7). The maximum number of Raspberry Aji could afford is (Please put your answer in numerical forms without comma and decimal place). The maximum number of Blueberry Aji could afford is (Please put your answer in numerical forms without comma and decimal place). Aji is considering 3 different bundles X, Y & Z. Bundle X contains 10 Blueberry and 15 Raspberry, bundle Y contains 7 Blueberry and 13 Raspberry, bundles Z contain 5 Blueberry and 16 Raspberry. Bundle X cost bundle Y cost & bundle cost (Please put your answers for all these 3 bundle cost in numerical forms without dollar sign, comma or a decimal place). What is the optimal bundle? (Please choose X,Y or Z, upper case only)