Wickland Company installs a manufacturing machine in its pr…

 Wickland Company installs a manufacturing machine in its production facility at the beginning of the year at a cost of $87,000. The machine’s useful life is estimated to be 5 years, or 400,000 units of product, with a $7,000 salvage value. During its second year, the machine produces 84,500 units of product. Determine the machines’ second year depreciation under the straight-line method.

A researcher is interested in the effect of the number of by…

A researcher is interested in the effect of the number of bystanders on helping behavior. To study this, they bring people into a lab “waiting room” and have them wait with no one, 1 other person, or 2 other people. A few minutes into “waiting” smoke begins to fill the room. The researcher measures how long it takes the participant to alert the experimenter of the smoke in the room. Which of the following is the independent variable in this study?