Acertain small country has $10 billion in paper currency in circulation. each day $50 million of the money in circulation enters the country's banks, and another $50 million leaves the banks and enters circulation. the government decides to introduce new cur- rency by having the banks replace the old bills with the new ones whenever old currency comes into the banks. let x = x(t) denote the amount of new currency in circulation at time t, with x(0) = 0. assume that the proportion of new money entering the banks each day is the same as the proportion of new money in circulation. how long would you estimate it to take for the new bills to account for 90% of the currency in circulation?

Which of the following accurately describes a surplus? a. consumer demand for a certain car is below the number of cars that are produced. b. the production costs for a certain car are below the sale price of that car. c. a reduction in the cost of steel enables a car company to reduce the sale price of its cars. d. a car company tries to charge too high a price for a car and has to reduce the price. 2b2t

12. nelson corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 115 units in beginning inventory 380 units produced 5,900 units sold 6,070 units in ending inventory 210 variable costs per unit: direct materials $ 46 direct labor $ 27 variable manufacturing overhead $ 3 variable selling and administrative $ 12 fixed costs: fixed manufacturing overhead $ 112,100 fixed selling and administrative $ 36,420 the company produces the same number of units every month, although the sales in units vary from month to month. the company's variable costs per unit and total fixed costs have been constant from month to month. a. prepare a contribution format income statement for the month using variable costing. unit product cost under variable costing direct materials direct labor variable manufacturing overhead variable costing unit product cost (formula)

Thomas kratzer is the purchasing manager for the headquarters of a large insurance company chain with a central inventory operation. thomas's fastest-moving inventory item has a demand of 6,000 units per year. the cost of each unit is $100, and the inventory carrying cost is $10 per unit per year. the average ordering cost is $30 per order. it takes about 5 days for an order to arrive, and the demand for 1 week is 120 units. (this is a corporate operation, and the are 250 working days per year.)a) what is the eoq? b) what is the average inventory if the eoq is used? c) what is the optimal number of orders per year? d) what is the optimal number of days in between any two orders? e) what is the annual cost of ordering and holding inventory? f) what is the total annual inventory cost, including cost of the 6,000 units?