Variance measures the dispersion of returns around the mean; lower variance indicates greater stability and less volatility. Adding a security with low variance and low correlation to the portfolio reduces overall risk .

High standard deviation = higher risk.

High beta = greater sensitivity to market moves .

Low alpha = underperformance, not risk reduction.

Thus, the feature that reduces portfolio risk is Low variance.

Governments finance publicly funded capital projects through issuing securities. The Government of Canada uses both bonds and Treasury bills (T-bills) to raise funds for deficits and large infrastructure projects.

T-bills are short-term debt instruments used frequently for government funding.

Commercial paper = corporate borrowing.

Preferred and common shares = equity securities, not typically for public capital projects.

Thus, the correct answer is Treasury bill.

Structural unemployment results from economic changes, such as technological advancements that reduce the demand for certain types of labor. The feedback from the document states:

"Structural unemployment results from changes in the economy, such as technological advances that reduce the need for human labour."

Sabrina’s RRSP contribution room for Year 3 is $24,270. This is because the maximum contribution limit for Year 3 is $24,270 and Sabrina has always maximized her RRSP contributions, so she has no carry-forward room available.

Canadian Investment Funds Course, Chapter 5: Registered Plans

Participating preferred shares are a type of preferred shares that offer its shareholders the opportunity to receive additional dividends if the company’s profit exceeds a stated level. These dividends are paid in addition to the fixed dividends that are normally paid to preferred shareholders. Participating preferred shares allow shareholders to benefit from both fixed and variable income streams, depending on the company’s performance. References: Participating Preferred Stock Definition - Investopedia, Preferred Shares Explained | TD Direct Investing