Which of the following securities sales must be registered? a. a sale of $450,000 in shares to 2,003 residents of Oklahoma and Arkansas b. a sale of $10,000,000 in shares to 353 U. S. residents c. a sale of $50,000,000 in shares to 10 institutional investors located around the United States d. a sale of $50,000,000 in shares to 10,000 residents of Arizona by a company doing business only in Arizona e. All of the above must be registered.

With signals from no-claim bonuses and deductibles, a. the marginal cost curve for careful drivers lies to the left of the marginal cost curve for aggressive drivers b. auto insurance companies insure more aggressive drivers than careful drivers because aggressive drivers have a greater need for the insurance c. the market for car insurance has a separating equilibrium, and the market is efficient d. most drivers pay higher premiums than if the market had no signals