a. State the multiple regression equation. Yi -*C---) X1*__--) X2; (round two decimal places as needed) (fill in the blanks) b. Interpret the meaning of the slopes, bl and b2. Choose the correct answer below. Interpret the meaning of the slope bl. Select the correct choice below and fill in the answer box within your choice. A) Holding efficiency constant, for each increase of $1 billion in revenue, the mean percent of a nonprofit organization's total expenses that are allocated directly to charitable services is predicted to increase by_%. (Round to the nearest integer asneeded.) (fill in the blank) B) Holding revenue constant, for each increase of 1% inefficiency, the mean percent of a nonprofit organization's total expenses that are allocated directly to charitable services is predicted to increase by ---%.(Round to the nearest integer as needed.) (fill in the blank) C) The slope bl cannot be interpreted individually. Interpret the meaning of the slope b2. Select the correct choice below and fill in the answer box within your choice. A.Holding efficiency constant, for each increase of $1 billion in revenue, the mean percent of a nonprofit organization's total expenses that are allocated directly to charitable services is predicted to increase by %. (Round to the nearest integer as needed.) (fill in the blank) B.Holding revenue constant, for each increase of 19% inefficiency, the mean percent of a nonprofit organization's total expenses that are allocated directly to charitable services is predicted to increase by --% (Round to the nearest integer as needed.) (fill in the blank) C.The slopes b2 cannot be interpreted individually. c. What conclusions can you reach concerning nonprofit charitable commitment? A. The model uses both revenue and efficiency to predict nonprofit charitable commitment. B. The model uses revenue to predict nonprofit charitable commitment. The efficiency only affects the revenue directly. C. The model uses efficiency to predict nonprofit charitable commitment. The revenue only affects the efficiency directly. D. The nonprofit charitable commitment can be predicted using either revenue or efficiency, but not both.