A bank is thinking about building a new branch. They think this new branch will generate 20 percent of the business of the bank after it is opened. The bank expects the return for this branch will be 15 percent with a standard deviation of 5 percent. Currently the bank has a 12 percent rate of return with a standard deviation of 4 percent. The correlation between the branch and the bank is expected to be .25. What is this bank's expected standard deviation after adding this branch

Comparative financial statements for weller corporation, a merchandising company, for the year ending december 31 appear below. the company did not issue any new common stock during the year. a total of 800,000 shares of common stock were outstanding. the interest rate on the bonds, which were sold at their face value, was 12%. the income tax rate was 40% and the dividend per share of common stock was $0.40 this year. the market value of the company's common stock at the end of the year was $18. all of the company's sales are on account. time interest earned ratio