Upper A Tel Ex jet costs $ 55 comma 000 comma 000 and is expected to fly 500 comma 000 comma 000 miles during its 12-year life. Residual value is expected to be zero because the plane was used when acquired. If the plane travels 30 comma 000 comma 000 miles the first year, how much depreciation should Tel Ex record under the units-of-production method? (Round the depreciation per unit to two decimal places.)

Leading guitar string producer wound up inc. has enjoyed a competitive advantage based on its proprietary coating that gives its strings a clearer sound and longer lifespan than uncoated strings. one of wound up's competitors, however, has recently developed a similar coating using less expensive ingredients, which allows it to charge a lower price than wound up for similar-quality strings. wound up's competitive advantage is in danger due to a. a lack of perceived value b. a lack of organization c. direct imitation and substitution d. resource immobility