The following regression belongs to the analysis of self-reported happiness levels of a number of adults on a scale of 0100 pts. The unit measure for the happiness level variable is points. The x variables are the age of the respondent, hours of work per day, minutes of meditation per day, whether the respondent is a gym-user or not, and whether the respondent recently experienced a major life event or not. The gym-user dummy variable is 1 if the respondent goes to the gym regularly. The major life event dummy variable is 1 if the respondent had a major life event recently. The only interaction variable is between minutes of mediation and gym-user. Which of the following is/are correct? A) Every additional year of age increases the predicted happiness level by 2.55 points, all else equal. B) Every additional hour of work decreases the predicted happiness level by 1.5 pts, all else equal. C) Those who meditate report a predicted level of happiness that is 0.28pts greater than those who do not meditate, all else equal. D) A and B E) A, B and C