Answer:
C) 8.75%
Explanation:
Number of periods = 4 years
Given return rates = 20%, -10%, 20%, and 5%
To obtain the arithmetic average annual return, add the return rates given for all periods and divide the sum by the number of periods.

Over four years, the S&P 500 index delivered an arithmetic average annual return of 8.75%.
Answer:
b. contains no positive statements.
Answer:
Teaching or asking a study partner the questions.
Explanation:
When you teach someone you take in the knowledge better and get to help someone else out.
Answer:
$434,000
Explanation:
Total machining cost = Number of machine hour * Rate per machine hour
= 3,100 * $140
= $434,000
Hence, The total machining cost allocated to product X is $434,000.