If you want to know the portfolio standard deviation for a three stock portfolio, in addition to 3 variances, you will have to A. calculate two covariances and one trivariance B. calculate only two covariances C. calculate three covariances D. average the variances of the individual stocks

c is the correct answer.

1) the stages a new product goes through from beginning to end, i.e., the stages that a product passes through from introduction through growth, maturity, and decline. 2) the time from initial research and development to the time at which sales and support of the product to customers are withdrawn. 3) the period of time during which a product can be produced and marketed profitably.

                                          hope it

answer; sales of books;

answerconversion factor;