Consider two perfectly negatively correlated risky securities, a and b. security a has an expected rate of return of 16% and a standard deviation of return of 20%. b has an expected rate of return of 10% and a standard deviation of return of 30%. the weight of security b in the minimum-variance portfolio is

Mandela manufacturing thinks that the best activity base for its manufacturing overhead is machine hours. the estimate of annual overhead costs is $540,000. the company used 1,000 hours of processing for job a15 during the period and incurred actual overhead costs of $580,000. the budgeted machine hours for the year totaled 20,000. what amount of manufacturing overhead should be applied to job a15? $29,000. $540. $580. $27,000.