Answer:
10 %
Explanation:
We are given that a company stock was selling a %30 a share per month and later they started selling it at$33. We are to find the percentage increase.
For that, we can use the following formula:
Percentage increase = [(new value - original value) / original value] * 100
So substituting the given values to get:
Percentage increase = [(33 - 30) / 30] * 100 = 0.1 * 100 = 10 %