A sole proprietorship has a single owner receiving the firm's profit and bearing limited liability

Joan's income has just risen from $940 per week to $1,060 per week. As a result, she decides to purchase 12 percent more lettuce per week. The income elasticity of Joan's demand for lettuce is

A) 0.75. B) 0.90. C) 1.00. D) 1.33.

When the euro appreciated significantly against the U.S. dollar, European policymakers were concerned.To stop the appreciation of the euro, the European Central Bank could have adopted a macroeconomic policy that:

A. reduced the supply of euros but increased the demand. B. reduced both the supply and demand for euros. C. increased both the supply and the demand for euros. D. reduced the demand for euros but increased the supply.