Based on the information given, indicate whether the following industry is best characterized by the model of perfect competition, monopoly, monopolistic competition, or oligopoly. a. industry a has a four-firm concentration ratio of 0.005 percent and a herfindahl-hirschman index of 75. a representative firm has a lerner index of 0.45 and a rothschild index of 0.34. b. industry b has a four-firm concentration ratio of 0.0001 percent and herfindahl-hirschman index of 55. a representative firm has a lerner index of 0.0034 and rothschild index of 0.00023. c. industry c has a four-firm concentration ratio of 100 percent and herfindahl-hirschman index of 10,000. a representative firm has a lerner index of 0.4 and rothschild index of 1.0. d. industry d has a four-firm concentration ratio of 0.0001 percent and herfindahl-hirschman index of 5,573. a representative firm has a lerner index of 0.43 and rothschild index of 0.76

Anewspaper boy is trying to perfect his business in order to maximize the money he can save for a new car. daily paper sales are normally distributed, with a mean of 100 and standard deviation of 10. he sells papers for $0.50 and pays $0.30 for them. unsold papers are trashed with no salvage value. how many papers should he order each day and what % of the time will he experience a stockout? are there any drawbacks to the order size proposed and how could the boy address such issues?

The amberssen specialty company is a chain of twelve retail stores that sell a variety of imported gift items, gourmet chocolates, cheeses, and wines in the toronto area. amberssen has an is staff of three people who have created a simple but effective information system of networked point-of-sale registers at the stores and a centralized accounting system at the company head- quarters. harry hilman, the head of amberssens is group, has just received the following memo from bill amberssen, sales director (and son of amberssen’s founder). harry—it’s time amberssen specialty launched itself on the internet. many of our competitors are already there, selling to customers without the expense of a retail storefront, and we should be there too. i project that we could double or triple our annual revenues by selling our products on the internet. i’d like to have this ready by - giving, in time for the prime holiday gift-shopping season. bill after pondering this memo for several days, harry scheduled a meeting with bill so that he could clarify bill’s vision of this venture. using the standard con- tent of a system request as your guide, prepare a list of questions that harry needs to have answered about this project.

Why is it vital to maintain a designer worksheet? a. it separates the designs chosen for the season from those rejected by the company. b. it keeps a record of all designs created by the designer for a season. c. it charts out the development of an entire line through the season and beyond. d. it tracks the development of a design along with costing and production details. done