The principle of diversification teaches us that using two securities it is always possible to find a portfolio with no short positions with a variance that is: A. Zero
B. Less than the variance of each asset
C. Less than the variance of each asset, except when the two assets are perfectly positively correlated.
D. None of the above.

Cynthia is a hospitality worker in the lodging industry who prefers to cater to small groups of people. she might want to open a

George kyparisis makes bowling balls in his miami plant. with recent increases in his​ costs, he has a newfound interest in efficiency. george is interested in determining the productivity of his organization. he would like to know if his organization is maintaining the manufacturing average of a​ 3% increase in productivity. he has the following data representing a month from last year and an equivalent month this​ year: last year now cost per input unit units produced 1 comma 2001,200 1 comma 2001,200 labor​ (hours) 300300 275275 ​$1212 per hour resin​ (pounds) 5050 4545 ​$55 per pound capital invested​ ($) 10 comma 00010,000 11 comma 00011,000 22​% per month energy​ (btu) 2 comma 9002,900 2 comma 7502,750 ​$0.600.60 per btu the percent change in productivity for one month last year versus one month this year on a multifactor basis with dollars as the common denominator​ = 3.153.15​% ​(enter your response as a percentage rounded to two decimal​ places).

What is measured by such benchmarks as satisfaction surveys, percentage of existing customers retained, and increases in revenue dollars per customer? usability?