Meagan Davies manages a portfolio of 200 common stocks. Her staff classified the portfolio stocks by 'industry sector' and 'investment objective'. Investment Industry Sector Objective Electronics Airlines Healthcare Total Growth 84 21 35 140 Income 36 9 15 60 Total 120 30 50 200 Are "Healthcare' and "Income' independent, why or why not? Select one: O a. no, because P(Healthcare) # P(Income) O b. yes, because P(Income and Healthcare) = 0 O c. yes, because P(Healthcare | Income)=P(Healthcare) O d. no, because P(Income and Healthcare)=P(Healthcare) P(Income)