You own a portfolio that has $3,100 invested in Stock A and $4,200 invested in Stock B. Assume the expected returns on these stocks are 11 percent and 17 percent, respectively. Required: What is the expected return on the portfolio? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e. g., 32.16).)

"jake’s roof repair has provided the following data concerning its costs: fixed cost per month cost per repair-hour wages and salaries $ 20,900 $ 15.00 parts and supplies $ 7.70 equipment depreciation $ 2,800 $ 0.35 truck operating expenses $ 5,720 $ 1.60 rent $ 4,690 administrative expenses $ 3,850 $ 0.50 for example, wages and salaries should be $20,900 plus $15.00 per repair-hour. the company expected to work 2,600 repair-hours in may, but actually worked 2,500 repair-hours. the company expects its sales to be $47.00 per repair-hour. required: compute the company’s activity variances for may."