In a top$-$down process, the first step would be an asset allocation decision. Most investment professionals recognize that the asset allocation decision must take precedence over the choice of particular stocks. The correlation coefficient between two assets equals $\_\_\_\_\_\_\_\_\_.$Question $2$ Select one:a$.$the product of their variances divided by their covarianceb.the sum of their expected returns divided by their covariancec.their covariance divided by the product of their variancesd.their covariance divided by the product of their standard deviations