Carleton Service Center just purchased an automobile hoist for $15,000.The hoist has a 5-year life and an estimated salvage value of $1,080. Installation costs were $2,900, and freight charges were $820. Carleton uses straight-line depreciation.       The new hoist will be used to replace mufflers and tires on automobiles. Carleton estimates that the new hoist will enable his mechanics to replace four extra mufflers per week. Each muffler sells for $65 installed. The cost of a muffler is $35, and the labor cost to install a muffler is $10.Compute the payback period for the new hoist. (Round to 1 decimal place, e.g. 5.1.)

You hear a very powerful speech delivered by a member of a community-based activist group that advocates for the less fortunate in your town. The community activist delivering the speech is pleading with community members to join the protest of all stores in order to save the community homeless shelter from being torn down to build a new upscale hotel. What effective persuasive speech methods do you need to see or hear in order for you to feel convinced that this is a cause worthy of your support. and why? Choose one of the following and provide an explanation of your choice: Promises of change( speaks to wants, needs and emotions) Humor and enthusiasm ( influence through attitude and beliefs) New solutions and ideas (provides evidence, results, and ideas).