stanley's bicycles store buys bicycles on average for $ 610 and sells them on average for $ 770. he pays a sales commission of 15% of sales revenue to his sales staff. stanley pays $ 1 comma 600 a month rent for his store, and also pays $ 3 comma 000 a month to his staff in addition to the commissions. stanley sold 150 bicycles in june. if stanley prepares a contribution margin income statement for the month of june, what would be his operating income?

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