A local office supply store has an annual demand for 10,000 cases of photocopier paper per year. It costs $3 per year to store a case of photocopier​ paper, and it costs $80 to place an order. Find the optimum number of cases of photocopier paper per order.

In which of the following situations would the price of a good be most likely to increase? a. a breakthrough in productive technology enables a company to increase its output. b. an increase in production costs results from a rise in wages. c. there's a sudden increase in the number of companies competing to sell the good. d. a drop in demand happens too quickly for producers to decrease production to keep up.

Assume the government imposes a $2.25 tax on suppliers, which results in a shift of the supply curve from s1 to s2. the price the seller receives for the product after paying the tax is

You are the manager of a large crude-oil refinery. as part of the refining process, a certain heat exchanger (operated at high temperatures and with abrasive material flowing through it) must be replaced every year. the replacement and downtime cost in the first year is $165 comma 000. this cost is expected to increase due to inflation at a rate of 7% per year for six years (i.e. until the eoy 7), at which time this particular heat exchanger will no longer be needed. if the company's cost of capital is 15% per year, how much could you afford to spend for a higher quality heat exchanger so that these annual replacement and downtime costs could be eliminated?