Bill wants to get input on his business idea from his friends. which of the following should he do? he should start by asking them questions about the problem he’s solving he should tell them about his entire product and all the cool things about how it works, then ask if they like it he should get the idea patented before telling others so they don’t steal it he shouldn’t tell anyone his idea

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