________ consist(s) of information that already exists, having been collected prior to the research plan.

Formulate an appropriate model for this scenario if the variables are assigned as in the table:

x1 = contractor works on wood floors x2 = landlord works on wood floors x3 = contractor works on kitchen tile x4 = contractor works on kitchen tile x5 = contractor works on back door x6 = contractor works on back door x7 = contractor works on garage door x8 = contractor works on garage door

The risk-free rate is 5%, the beta of Stock A is 1.2, the beta of Stock B is 0.8, and the expected return on Stock A is 12.2%. What is the expected return on Stock B?

A) 8.4% B) 9.2% C) 9.8% D) 11.0% E) 12.2%