A corporation with a marginal tax rate of 34 percent would receive what after-tax dividend yield on a 12 percent coupon rate preferred stock bought at par, assuming a 70 percent dividend exclusion?

Environmentalists are concerned about emissions of sulfur dioxide into the air. the average number of days per year in which sulfur dioxide levels exceed 150 milligrams per cubic meter in milan, italy, is 29. the number of days per year in which emission limits are exceeded is normally distributed with a standard deviation of 4.0 days. what percentage of the years would exceed 37 days?