This exercise refers to the utility streams in Table 8.2. For each of the following people, compute d.

(a) At t 5 0, Ahmed is indifferent between utility streams a and b.

(b) At t 5 0, Bella is indifferent between utility streams b and c.

(c) At t 5 0, Cathy is indifferent between utility streams a and c.

(d) At t 5 1, Darrence is indifferent between utility streams b and c.