You are given the following returns on "the market" and Stock F during the last three years. We could calculate beta using data for Years 1 and 2 and then, after Year 3, calculate a new beta for Years 2 and 3. How different are those two betas, i.e., what's the value of beta 2 - beta 1? (Hint: You can find betas using the Rise-Over-Run method, or using your calculator's regression function.)

Year	Market	Stock F
1	6.10%	0.00%
2	12.90%	3.70%
3	16.20%	21.71%

Select the correct answer.

a. 8.24

b. 8.34

c. 8.44

d. 8.14

e. 8.54