Exhibit 6-4
USE THE FOLLOWING INFORMATION FOR THE NEXT PROBLEM(S)

question 81

Multiple Choice

Exhibit 6-4
USE THE FOLLOWING INFORMATION FOR THE NEXT PROBLEM(S) $\begin{array}{c}\begin{array}{cc}\text { Asset }(\mathrm{A}) & \text { Asset }(\mathrm{B}) \\\hline \mathrm{E}\left(\mathrm{R}_{\mathrm{A}}\right) =10 \% & \mathrm{E}\left(\mathrm{R}_{\mathrm{B}}\right) =8 \% \\\left(\sigma_{\mathrm{A}}\right) =6 \% & \left(\sigma_{\mathrm{B}}\right) =5 \% \\\mathrm{~W}_{\mathrm{A}}=0.3 & \mathrm{~W}_{\mathrm{B}}=0.7\end{array}\\\mathrm{COV}_{\mathrm{AB}}=0.0008\end{array}$
-Refer to Exhibit 6-4. What is the expected return of a portfolio of two risky assets if the expected return E(R_i) , standard deviation (?_i) , covariance (COV_i,j) , and asset weight (W_i) are as shown above?

• A) 8.6%
• B) 8.1%
• C) 9.3%
• D) 10.2%
• E) 11.6%

---

Definitions:

Perfect Competition

A market structure characterized by a large number of small firms, homogeneous products, and free entry and exit, making firms price takers.

Average Total Cost

The total cost of production divided by the quantity produced, indicating the average cost of producing each unit of output.

Profit Maximization

The process by which a firm determines the price and output level that returns the greatest profit, considering costs and market demand.

Short-Run Supply Curve

A graphical representation showing the relationship between the market price of a good and the quantity supplied by producers in the short term.