Which of the following is a key difference between the models of the demand for education versus the demand for health capital (both which are types of human capital)? One choice.

(1) The demand for education is influenced by a person's discount rate while the demand for health is not affected by discount rates. (2) The demand for education is influenced by a person's expected return to education while the demand for health is not based on return to health. (3) A stock of education generates returns to education in current and future periods while a stock of health only generates returns in the current period. (4) A stock of education generates returns by influencing marginal efficiency of production in the workforce, while the stock of health influences the total amount of time spent producing money earnings and commodities.