Answer:
The answer is Letter B, appraisal index
Explanation:
Because appraisal index returns are based on estimates of property values. Estimating values tends to introduce smoothing into returns data, appraisal index returns are likely to have lower standard deviations than index returns based on repeat sales, trading prices or REIT trading price.
They should be most concerned with return
1 increasing audience
2 payment methods and or growing page
3 yes help others and myself
4 insta due to its growing capacity