Suppose Bob and Sara are producing food and are thinking of trading. They produce ice cream and salad. Bob can produce 10 units of ice cream or 6 units of salad; Sara can produce 6 units of ice cream or 4 units of salad. Remember to take what each person gives up (opportunity cost) and then divide by what they get. Check all that apply:

Tina is applying for the position of a daycare assistant at a local childcare center. which document should tina send with a résumé to her potential employer? a. educational certificate b. work experience certificate c. cover letter d. follow-up letter

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

Which of the following has the largest impact on opportunity cost