Hyacinth Macaw invests 70% of her funds in stock I and the balance in stock J. The standard deviation of returns on I is 15%, and on J it is 30%.(Use decimals, not percents, in your calculations.)

a.Calculate the variance of portfolio returns, assuming the correlation between the returns is 1.(Do not round intermediate calculations. Round your answer to 4 decimal places.)

Portfolio variance________

b.Calculate the variance of portfolio returns, assuming the correlation is .4.(Do not round intermediate calculations. Round your answer to 4 decimal places.)

Portfolio variance_________

c.Calculate the variance of portfolio returns, assuming the correlation is 0.(Do not round intermediate calculations. Round your answer to 4 decimal places.)

Portfolio variance__________