Why is it that in south africa 31 of the population is younger than 15 about 7 6 is older than 60?

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?

Eliminating entries (including goodwill impairment) and worksheets for various years on january 1, 2013, porter company purchased an 80% interest in the capital stock of salem company for$850,000. at that time, salem company had capital stock of $550,000 and retained earnings of $80,000.differences between the fair value and the book value of the identifiable assets of salem company were asfollows: fair value in excess of book valueequipment$130,000land65,000inventory40,000the book values of all other assets and liabilities of salem company were equal to their fair values onjanuary 1, 2013. the equipment had a remaining life of five years on january 1, 2013. the inventory was sold in2013.salem company’s net income and dividends declared in 2013 and 2014 were as follows: year 2013 net income of $100,000; dividends declared of $25,000year 2014 net income of $110,000; dividends declared of $35,000required: a.prepare a computation and allocation schedule for the difference between book value of equity acquired andthe value implied by the purchase price.b.present the eliminating/adjusting entries needed on the consolidated worksheet for the year endeddecember 31, 2013. (it is not necessary to prepare the worksheet.)lo6lo1

(a) what was the opportunity cost of non-gm food for many buyers before 2008? (b) why did they prefer the alternative? (c) what was the opportunity cost in 2008? (d) why did it change?