A tight oligopoly refers to:​ a. ​an industry in which the top four firms supply more than 60 percent of the market, have unstable market shares, and do not cooperate with each other. b. ​an industry in which a single firm has over half the market share and no close rival. c. ​an industry in which the top four firms supply more than 60 percent of the market, have stable market shares, and cooperate with each other. d. ​a single firm that controls the entire market and can block entry. e. ​an industry in which a single firm supplies over one-third of the entire market, the market share is stable, and the firm cooperates with other firms in the industry.

Case in point 1.2 suppose you work in the it department of global hotels, a multinational hotel chain. global hotels runs several specialized business support systems, including a guest reservations system that was developed in-house to meet the requirements of a large company with worldwide operations. guests can make one-stop online reservations by visiting global's website, which has links to all major travel industry sites. global hotels just acquired momma's, a regional chain of 20 motels in western canada. momma's uses a vertical reservations package suitable for small- to medium-sized businesses and a generic accounting and finance package. should momma's use global hotels' information systems or continue with its own? in your answer, consider issues such as business profiles, business processes, system interactivity, edi, ecommerce, and the characteristics of both information systems. what additional information would be to you in making a recommendation?

Asap describe three different expenses associated with restaurants. choose one of these expenses, and discuss how a manager could handle this expense.

On july 1, oura corp. made a sale of $ 450,000 to stratus, inc. on account. terms of the sale were 2/10, n/30. stratus makes payment on july 9. oura uses the net method when accounting for sales discounts. ignore cost of goods sold and the reduction of inventory. a. prepare all oura's journal entries. b. what net sales does oura report?