The answer is Option A,-6.7%.
A Stock Index is a tool used in financial markets to track a market or a specific segment of the market as a whole instead of tracking the performance of a single company's stock.
How to find the rate of change of this simple index over 1 day?
Total value, Monday:
7,500 * 4.75 + 2,500 * 8.95
= $58,000
Total value, Tuesday:
7,500 * 4.50 + 2,500 * 8.15
=$54,125
The Rate of change of a simple Index is given by:
The calculation for ROC is simple in that it takes the current value of a stock or index and divides it by the value from an earlier period.
Thus, the rate of change of this simple index over 1 day is
1- $54,125/$58,000
=> 1-0.9333189
=>0.0668103448
=> 6.7% [ After rounding off]
The Rate of change will be negative because the stock is decreasing from Monday to Tuesday.
Thus, ROC is -6.7 %.
Learn more about the rate of changes on: https://brainly.com/question/10725719
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