Technically, it depends on your utility function. However, even without knowing your utility function, I can say that for such a low amount of money, your utility function is very close to linear, and option 5 is the best.
More info: marginal utility
Technically, it depends on your utility function. However, even without knowing your utility function, I can say that for such a low amount of money, your utility function is very close to linear, and option 5 is the best.
More info: marginal utility