Alaska Mining Co. acquired mineral rights for $67,500,000. The mineral deposit is estimated at 30,000,000 tons. During the current year, 4,000,000 tons were mined and sold. a. Determine the amount of depletion expense for the current year. Round the depletion rate to two decimal places.

As the inventor of hypertension medication, onesure pharmaceuticals (osp) inc. was able to reap the benefits of economies of scale due to a large consumer demand for the drug. even when competitors later developed similar drugs after the expiry of osp's patents, regular users did not want to switch because they were concerned about possible side effects. which of the following benefits does this scenario best illustrate? a. first-mover advantages b. social benefits c. network externalities d. fringe benefits