what is the contrast between the successful rate of interest and expressed rate of enthusiasm for the accompanying cases:
Case A: Stated rate of hobby is 8 percent and the recurrence of exacerbating is six times each year.
Case B: Stated rate of hobby is 10 percent and the recurrence of exacerbating is four times each year.
Case C: Stated rate of hobby is 12 percent and the recurrence of aggravating is twelve times each year.