Minor Company installs a machine in its factory at the beginning of the year at a cost of $135,000. The machine's useful life is estimated to be 5 years, or 300,000 units of product, with a $15,000 salvage value. During its first year, the machine produces 64,500 units of product. Determine the machines' first year depreciation under the double-declining-balance method.

As more people migrated west during the gold rush, what do you think happened to the demand curve in most western markets, holding all else constant? a. there was no shift, nor any increase or decrease in quantity demanded. b. there was no shift, but there was a decrease in quantity demanded. c. the demand curve shifted to the left. d. the demand curve shifted to the right. e. there was no shift, but there was an increase in quantity demanded.