First, calculate Quantity A and Quantity B:
Step 1: Calculate Quantity A.
Quantity A is 9\% of 93, so:
\[
A = \frac{9}{100} \times 93 = 8.37
\]
Step 2: Calculate Quantity B.
Quantity B is 93 times 0.09, so:
\[
B = 93 \times 0.09 = 8.37
\]
Step 3: Comparison.
Since \( A = B = 8.37 \), we can conclude that Quantity A is equal to Quantity B.
Step 4: Conclusion.
The correct answer is option (2): Quantity A is equal to Quantity B.