Edmonco Company produced and sold 47,000 units of a single product last year, with the following results: Sales Revenue $ 1,390,000 Manufacturing costs: Variable 533,000 Fixed 300,000 Selling costs: Variable 44,000 Fixed 80,000 Administrative costs: Variable 188,000 Fixed 120,000 If Edmonco's sales revenues increase 15%, what will be the percentage increase in income before income taxes

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