During lunch time, customers arrive at a postal office at a rate of lambda equals 36 per hour. The interarrival time of the arrival process can be approximated with an exponential distribution. Customers can be served by the postal office at a rate of mu equals 45 per hour. The service time for the customers can also be approximated with an exponential distribution. For each of the following questions, show your work and use the right notation. Required:
Determine the utilization factor.

25. kerry company plans to sell 200,000 units of finished product in july and anticipates a growth rate in sales of 5% per month. the desired monthly ending inventory in units of finished product is 80% of the next month's estimated sales. there are 150,000 finished units in inventory on june 30. kerry company's production requirement in units of finished product for the three-month period ending september 30 is: a. 712,025 units b. 630,500 units c. 664,000 units d. 665,720 units

Data pertaining to the current position of forte company are as follows: cash $437,500 marketable securities 170,000 accounts and notes receivable (net) 320,000 inventories 700,000 prepaid expenses 42,000 accounts payable 240,000 notes payable (short-term) 250,000 accrued expenses 310,000 required: 1. compute (a) the working capital, (b) the current ratio, and (c) the quick ratio. round ratios to one decimal place. 2. compute the working capital, the current ratio, and the quick ratio after each of the following transactions, and record the results in the appropriate columns of the table provided. consider each transaction separately and assume that only that transaction affects the data given. round to one decimal place. a. sold marketable securities at no gain or loss, 75,000. b. paid accounts payable, 135,000. c. purchased goods on account, 100,000. d. paid notes payable, 105,000. e. declared a cash dividend, 125,000. f. declared a common stock dividend on common stock, 45,000. g. borrowed cash from bank on a long-term note, 205,000. h. received cash on account, 130,000. i. issued additional shares of stock for cash, 635,000. j. paid cash for prepaid expenses, 15,000.

Afirm's before-tax cost of debt, rd, is the interest rate that the firm must pay on debt. because interest is tax deductible, the relevant cost of debt used to calculate a firm's wacc is the cost of debt, rd (1 – t). the cost of debt is used in calculating the wacc because we are interested in maximizing the value of the firm's stock, and the stock price depends on cash flows. it is important to emphasize that the cost of debt is the interest rate on debt, not debt because our primary concern with the cost of capital is its use in capital budgeting decisions. the rate at which the firm has borrowed in the past is because we need to know the cost of capital. for these reasons, the on outstanding debt (which reflects current market conditions) is a better measure of the cost of debt than the . the on the company's -term debt is generally used to calculate the cost of debt because more often than not, the capital is being raised to fund -term projects. quantitative problem: 5 years ago, barton industries issued 25-year noncallable, semiannual bonds with a $1,600 face value and a 8% coupon, semiannual payment ($64 payment every 6 months). the bonds currently sell for $845.87. if the firm's marginal tax rate is 40%, what is the firm's after-tax cost of debt? round your answer to 2 decimal places. do not round intermediate calcu