Please give the calculate process

Question 24 Not answered Marked out of 1.00 The correlation between the returns of NZT, a New Zealand company, and the domestic market is 0.95, while the correlation with world market is 0.60 The standard deviation of returns of NZT is 20%. And the standard deviations of returns of domestic and world markets are 15% and 11% respectively. New Zealand domestic rate of return is 15% and the risk-free rate is 5% if the New Zealand market is segmented from the rest of the world what is the equity cost of capital of NZT? Flag question Select one a. 12.5% b. 15.7% d. 17.2% Your answer is incorrect The correct answer is: 17.7% Question 25 Not answered Marked out of 1.00 The correlation between the returns of NZT, a New Zealand company, and the domestic market is 0.95, while the correlation with world market is 0.60 The standard deviation of returns of NZT is 20%. And the standard deviations of returns of domestic and world markets are 15% and 11% respectively. The world market rate of return is 12% and the risk-free rate is 5% lf NZT cross-list on NYSE, what would be the equity cost of capital of NZT? Flag question Select one a. 12.6% b. 12.9% C. 13.5% Your answer is incorrect The correct answer is: 12.6%