Someone answer #4 for me for points!

In the supply-and-demand schedule shown above, at the lowest price of $50, producers supply music players and consumers demand music players.

What two things do you consider when evaluating the time value of money

Security a has a higher standard deviation of returns than security b. we would expect that: (i) security a would have a risk premium equal to security b. (ii) the likely range of returns for security a in any given year would be higher than the likely range of returns for security b. (iii) the sharpe ratio of a will be higher than the sharpe ratio of b. (a) i only (b) i and ii only (c) ii and iii only (d) i, ii and iii