Analysis of past monthly movements in Walmart's stock price has produced the following estimates: = .65 percent and = 0.80. If the market index subsequently rises by 5.00 percent while Walmart's stock price rises by 4.10 percent, what is the abnormal change in Walmart's stock price?

Multiple Choice

+0.75 percent

0.65 percent

+4.00 percent

+0.25 percent