Consider the Following to Answer the Question(s) Below

Consider the following to answer the question(s) below:
A sample of 30 companies was randomly selected for a study investigating what factors affect the size of company bonuses. Data were collected on the number of employees at the company and whether or not the employees were unionized (1 = yes, 0 = no) . The following multiple regression model was fit to the data.
-At α = 0.05, we can conclude that

A) The multiple regression model is significant in explaining the size of company bonuses.
B) The number of employees at the company is a significant variable in explaining the size of company bonuses.
C) Whether or not the employees are unionized is a significant variable in explaining the size of company bonuses.
D) The multiple regression model is significant in explaining the size of company bonuses and the number of employees at the company is a significant variable in explaining the size of company bonuses.
E) All of the given possible answers are correct.