Suppose that in an​ economy, investment is​ $160 billion, saving is​ $140 billion, government expenditure on goods and services is​ $150 billion, exports are​ $200 billion, and imports are​ $250 billion. What is the amount of tax revenue and the government budget​ balance?

Aaron corporation, which has only one product, has provided the following data concerning its most recent month of operations: selling price $ 102 units in beginning inventory 0 units produced 4,900 units sold 4,260 units in ending inventory 640 variable costs per unit: direct materials $ 20 direct labor $ 41 variable manufacturing overhead $ 5 variable selling and administrative expense $ 4 fixed costs: fixed manufacturing overhead $ 64,200 fixed selling and administrative expense $ 2,900 the total contribution margin for the month under variable costing is: