Yoshi company completed the following transactions and events involving its delivery trucks. 2016 jan. 1 paid $23,515 cash plus $1,935 in sales tax for a new delivery truck estimated to have a five-year life and a $2,300 salvage value. delivery truck costs are recorded in the trucks account. dec. 31 recorded annual straight-line depreciation on the truck. 2017 dec. 31 due to new information obtained earlier in the year, the truck’s estimated useful life was changed from five to four years, and the estimated salvage value was increased to $2,550. recorded annual straight-line depreciation on the truck. 2018 dec. 31 recorded annual straight-line depreciation on the truck. dec. 31 sold the truck for $5,300 cash. required: 1-a. calculate depreciation for year 2017. 1-b. calculate book value and gain (loss) for sale of truck on december, 2018. 1-c. prepare journal entries to record these transactions and events.

4. understanding different policy options to correct for negative externalities carbon dioxide emissions have been linked to global warming. the following table lists some possible public policies aimed at reducing the amount of carbon dioxide in the air. for each policy listed, identify whether it is a command-and-control policy (regulation), tradable permit system, corrective subsidy, or corrective tax. public policy command-and-control policy tradable permit system corrective subsidy corrective tax the government charges factories $110 for every ton of carbon dioxide they emit. the government orders every factory to adopt a new technology, which reduces carbon-dioxide emissions into the atmosphere. trees take carbon dioxide out of the air and convert it to oxygen, so the government funds a tree-planting initiative by offering $110 to any citizen who plants a tree. the government limits total carbon-dioxide emissions by all factories to 180,000 tons per month. each individual factory is given the right to emit 140 tons of carbon dioxide, and factories may buy and sell these rights in a marketplace.