The opportunity cost of a decision is the value of all of the available alternatives that were not chosen

Assume that the demand curve for sunblock is linear and downward sloping. Which of the following statements about the slope of the demand curve for sunblock and the price elasticity of demand for sunblock are true?

A) The slope is constant, but the price elasticity of demand is not constant at all points along the demand curve for sunblock. B) The slope of the demand curve for sunblock is constant and equal to zero; demand is perfectly inelastic. C) The slope is not constant, but the price elasticity of demand is constant at all points along the demand curve for sunblock. D) The slope and the price elasticity of demand are constant at all points along the demand curve for sunblock.

The provision of the Patient Protection and Affordable Care Act (ACA) which states that insurance companies are required to participate in a high-risk pool that will insure individuals with pre-existing medical conditions who have been unable to buy

health insurance for at least six months is the ________ provision. A) state health insurance marketplaces B) employer mandate C) individual mandate D) regulation of health insurance