"The food supply is breaking" What are ways in which these supply chains can be adjusted to better serve the nation's meat demands? What other products have you or your family begun noticing shortages of in grocery stores? How are consumers adapting to limited supplies? How they believe pricing will be affected by pandemic-induced shortages?

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