Seven years ago, Stan purchased 10 shares of an aggressive growth mutual fund at $90 per share, for a total of $900. Today he sold all 10 shares for $4,500. What was his average annual rate of return on this investment, before tax

As a project manager for a large construction company, shaun decided to make the performance appraisal process as painless as possible for his crew. he spent a considerable amount of time creating performance standards he felt were reasonable, and after six months' time, he scheduled individual appointments with each worker to discuss strengths and weaknesses and areas that needed improvement according to the standards he privately set. some employees were sent to vestibule training, and one even got a promotion with additional compensation. what did he fail to do correctly

When patey pontoons issued 4% bonds on january 1, 2018, with a face amount of $660,000, the market yield for bonds of similar risk and maturity was 5%. the bonds mature december 31, 2021 (4 years). interest is paid semiannually on june 30 and december 31?

Asupermarket has been experiencing long lines during peak periods of the day. the problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to the day of the week. there are usually enough workers on the job to open all cash registers. the problem is knowing when to call some of the workers stocking shelves up to the front to work the checkout counters. how might decision models the supermarket? what data would be needed to develop these models?