Assume that the marginal tax rate is 10 percent for the first $10,000 of income, 20 percent for income between $10,000 and $40,000, and 30 percent for any income over $40,000. if jerome has taxable income equal to $60,000 for the year, what is his tax bill

By 2020, automobile market analysts expect that the demand for electric autos will increase as buyers become more familiar with the technology. however, the costs of producing electric autos may increase because of higher costs for inputs (e.g., rare earth elements), or they may decrease as the manufacturers learn better assembly methods (i.e., learning by doing). what is the expected impact of these changes on the equilibrium price and quantity for electric autos?