【单选题】Shelby Industries manufactures and sells the same gauges as Jones Industries. Employee wages account for forty percent of the cost of manufacturing gauges at both Shelby Industries and Jones Industrie...
A.
Because they make a small number of precision instruments, gauge manufacturers cannot receive volume discounts on raw materials.
B.
Lowering wages would reduce the quality of employee work, and this reduced quality would lead to lowered sales.
C.
Jones Industries has taken away twenty percent of Shelby Industries business over the last year.
D.
Shelby Industries pays its employees, on average, ten percent more than does Jones Industries.
E.
Many people who work for manufacturing plants live in areas in which the manufacturing plant they work for is the only industry.
【简答题】A.Industries in the past and at present. B.Changes in the development of industries. C.The protection of industrial workers and customers. D.The of industries today and in the past.