Taxpayers filing single, regardless of whether they did or did not engage in a specified service trade or business, will only be subject to the "ordinary" taxable income limitation if their taxable income falls at or below which amount?
a. $0
b. $160,700
c. $160,725
d. $321,400

Consider a treasury bill with a rate of return of 5% and the following risky securities: security a: e(r) = .15; variance = .0400 security b: e(r) = .10; variance = .0225 security c: e(r) = .12; variance = .1000 security d: e(r) = .13; variance = .0625 the investor must develop a complete portfolio by combining the risk-free asset with one of the securities mentioned above. the security the investor should choose as part of her complete portfolio to achieve the best cal would be a. security a b. security b c. security c d. security d