Assume the total cost of a college education will be $184,061 when your child enters college in 19 years. You presently have $49,327 to invest. What annual rate of interest must you earn on your investment to cover the cost of your child's college education? Enter answer as 3 decimal places (e. g. 0.123)

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?