Solve asap and explain it.

Which of the following best explains why the change in expected surplus is usually used instead of the option price when estimating willingness to pay for uncertain benefits? Select one: a. Expected surplus is NOT usually used - most studies calculate the option price instead O b. The expected surplus method is conceptually superior c. Most people in society are risk neutral so the estimated WTP will be the same regardless of method d. Calculating option prices requires the analyst to specify a functional form for social utility Which of the following best explains why the shadow price of capital method for discounting is rarely applied in practice? Select one: a. It is difficult to find good qually empirical estimates of the investment rate of return 00 0 b. It is difficult to find good quality empirical estimates of the marginal rate of time preference c. Due to the way public sector projects are financed, it is difficult to separate the impacts on consumption and investment decisions d. Economists are lazy Which of the following is a reason we need to account for the so-called time value of money in a CBA? Select all that apply. Select one or more: a. Investments yield positive real returns b. People are impatient to consume and prefer not to postpone consumption c. Price inflation is usually positive d. The future is uncertain