Determine the upper and lower bound limits of the confidence interval. Please help step by step to understand!

In 2007, americans smoked 19.2 billion packs of cigarettes. they paid an average retail price of $4.50 per pack. a. given that the elasticity of supply is 0.50.5 and the elasticity of demand is negative 0.4−0.4, derive linear demand and supply curves for cigarettes. the demand equation is qdequals=nothingplus+nothing times ×p and the supply equation is qsequals=nothingplus+nothing times ×p.

Gary becker's controversial the economics of discrimination concludes that price discrimination has no effect on final profits. price discrimination benefits monopolies. labor discrimination in hiring results in more efficient allocations of production. discrimination in hiring practices has no effect on final profits. labor discrimination harms firms that practice it due to increased labor costs. price discrimination harms monopolies, which refutes over two centuries of economic theory.

The silverside company is considering investing in two alternative projects: project 1 project 2 investment $500,000 $240,000 useful life (years) 8 7 estimated annual net cash inflows for useful life $120,000 $40,000 residual value $32,000 $10,000 depreciation method straightminusline straightminusline required rate of return 11% 8% what is the accounting rate of return for project 2? (round any intermediary calculations to the nearest dollar, and round your final answer to the nearest hundredth of a percent, x.xx%.)