A humanities professor assigns letter grades on a test according to the following scheme.

A: Top 12%

of scores

B: Scores below the top 12%

and above the bottom 63%

C: Scores below the top 37%

and above the bottom 16%

D: Scores below the top 84%

and above the bottom 8%

F: Bottom 8%

of scores

Scores on the test are normally distributed with a mean of

80.1 and a standard deviation of 7.2. Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.