Pls help Carlita studied mechanics in school and has a background in sales. What company in the Transportation and Logistics cluster might be interested in hiring Carlita?
a large port looking for a logistical engineer
a company that makes and sells railway cars looking for a representative
a government agency in need of a safety inspector
a shipping company looking for a warehouse manager

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