Score: 0 of 1 pt 25 of 26 (5 complete) HW Score: 17.31%, 4. Concept: Slope of an Indifference Curve Question Hel The graph illustrates Joshua's preferences for hamburgers and fries using indifference curves (1 1, 12, 13, and 14). What is Joshua's marginal rate of substitution (MRS) between bundle A and bundle B? Joshua's MRS between bundle A and bundle B is . (Enter your response as a real number rounded to two decimal places.) Bundle A Fries (orders per week) Bundle B 10 12 16 18 20 Enter your answer in the answer box and then click Check