For the system to operate satisfactorily over the long run, .
a. The capacity to serve must be greater than the average demand.
b. The expected waiting time for each customer must not exceed average service time.
c. The arrival rate must be less than the service rate.
d. The number of servers must equal the average number of arrivals per unit time.

Yael decides that she no longer enjoys her job, and she quits to open a gluten-free, dairy-free kosher bakery. she pays a monthly rent for her store of $2,000. her labor costs for one month are $4,500, and she spends $6,000 a month on nut flours, sugar, and other supplies. yael was earning $2,500 a month working as a bank teller. these are her only costs. her monthly revenue is $14,000. which of the following statements about yael’s costs and profit are correct? correct answer(s) an accountant would say she is earning a monthly profit of $1,500. her implicit costs are $2,500 a month. an economist would tell her that she is experiencing a loss. her total costs are $12,500 a month. her explicit costs include the labor, rent, and supplies for her store. her economic profit is $1,500 a month.

Suppose your rich uncle gave you $50,000, which you plan to use for graduate school. you will make the investment now, you expect to earn an annual return of 6%, and you will make 4 equal annual withdrawals, beginning 1 year from today. under these conditions, how large would each withdrawal be so there would be no funds remaining in the account after the 4th withdraw?

Considered alone, which of the following would increase a company's current ratio? a. an increase in net fixed assets.b. an increase in accrued liabilities.c. an increase in notes payable.d. an increase in accounts receivable.e. an increase in accounts payable.