When the local used bookstore prices economics books at $15.00 each, they sell 70 books per month. If they lower the price to $7.00 each they sell 90 books. If so, the price elasticity of demand for the books is

Need with my trade theory homework. i doubt what i wrote was right.consider a monopolistically competitive market for soft drinks in which n symmetric firms face the following demand function: q=s(1/n-b(p-(p with the straight line on which implies the marginal revenue functionmr=p-(q/sb)finally, suppose firms face the total cost functiontc=900,000+100qsuppose the market size, s, is 27,000,000, and the elasticity parameter b is 0.003.diagram the price and the average total cost in the market as a function of the number of firms. what are the equations for each curve, and why does each curve slope up or down? label the equilibrium number of firms and the equilibrium price in the diagram. why is this the equilibrium?

Ida sidha karya company is a family-owned company located on the island of bali in indonesia. the company produces a handcrafted balinese musical instrument called a gamelan that is similar to a xylophone. the gamelans are sold for $860. selected data for the company’s operations last year follow: units in beginning inventory 0 units produced 320 units sold 285 units in ending inventory 35 variable costs per unit: direct materials $ 135 direct labor $ 355 variable manufacturing overhead $ 30 variable selling and administrative $ 15 fixed costs: fixed manufacturing overhead $ 64,000 fixed selling and administrative $ 27,000 the absorption costing income statement prepared by the company’s accountant for last year appears below: sales $ 245,100 cost of goods sold 205,200 gross margin 39,900 selling and administrative expense 31,275 net operating income $ 8,625 required: 1. under absorption costing, how much fixed manufacturing overhead cost is included in the company's inventory at the end of last year? 2. prepare an income statement for last year using variable costing. what is the amount of the difference in net operating income between the two costing methods?

Which of the following is not an example of one of the four mail advantages of prices on a free market economy