Ergo industries, which manufactures automotive parts, had taken carious measures to improve the quality of the products. The product-line mangers at the company had the authority to stop production if they found the components to be defective without the approval of the senior management in the company and to take measures to resolve the issue. This authority motivated the mangers to perform their jobs better. According to hackman and oldham work design model, which of the following core job characteristics is influencing the performance of managers in the above scenario? a. Skill variety
b. Autonomy
c. Task identity
d. Task significance

Adog whistle manufacturer's factory was located near a residential area. the manufacturer used the most effective methods for testing its whistles, but it was impossible to completely soundproof the testing area. a breeder of champion show dogs bought some property near the factory and raised and trained her dogs there. although the whistles were too high-pitched to be perceived by human ears, they could be heard by the breeder's dogs. consequently, the dogs often were in a constant state of agitation. in a suit by the breeder against the manufacturer, what is the likely outcome? response - correct a the breeder will prevail on a trespass theory, because the sound waves are entering onto the breeder's property. b the breeder will prevail on a nuisance theory, because the sound of the whistles is a substantial interference with the breeder's use of her land. c the breeder will not prevail, because the sound of the whistles is not a substantial interference with the breeder's use of her land. d the breeder will not prevail, because the manufacturer has acted reasonably in testing its whistles.