Jack, jamie, ronnie, and Stephen own the only computer software manufacturing companies in the country. When jack increases the price of his product and advertises extensively to promote it, the other three manufacturering

will immediately increase their prices as well

Explanation:

The given case study relates to oligopoly market structure. In simple words, oligopoly refers to the market structure under which a small number of business units operate at a higher level. Under such industries the entities are heavily dependent on one another.

Therefore, if one entity increase its advertisement and cost the other two entities also has to increase their advertisement and that cannot be done without increasing prices.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -