Suppose that the Bureau of Labor Statistics predicts that the number of jobs for dental hygienists will grow faster than most occupations while the number of jobs for bookbinders will decline. This change in the labor market could lead to:. a) structural unemployment created by sectoral shifts. b) structural unemployment created by efficiency wages. c) frictional unemployment created by efficiency wages. d) frictional unemployment created by sectoral shifts.

Areal estate agent is considering changing her cell phone plan. there are three plans to choose from, all of which involve a monthly service charge of $20. plan a has a cost of $.42 a minute for daytime calls and $.17 a minute for evening calls. plan b has a charge of $.52 a minute for daytime calls and $.15 a minute for evening calls. plan c has a flat rate of $80 with 275 minutes of calls allowed per month and a charge of $.38 per minute beyond that, day or evening.a. determine the total charge under each plan for this case: 150 minutes of day calls and 70 minutes of evening calls in a month. (do not round intermediate calculations. round your answer to 2 decimal places. omit the "$" sign in your response.)c. if the agent will use the service for daytime calls, over what range of call minutes will each plan be optimal? (round each answer to the nearest whole number.include the indifference point itself in each answer.)d. suppose that the agent expects both daytime and evening calls. at what point (i.e., percentage of total call minutes used for daytime calls) would she be indifferent between plans a and b?

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?

For the year ended december 31, 2019, davidson mart had sales of $ 550 comma 000 and cost of goods sold of $ 412 comma 500. davidson estimates that approximately 2% of the merchandise sold will be returned. the adjusting journal entry on december 31, 2019, would include a