An English professor assigns letter grades on a test according to the following scheme.

A: Top 8% of scores

B: Scores below the top 8%

and above the bottom 63%

C: Scores below the top 37%

and above the bottom 15%

D: Scores below the top 85%

and above the bottom 7%

F: Bottom 7%of scores

Scores on the test are normally distributed with a mean of 77

and a standard deviation of 9.4

Find the minimum score required for an A grade. Round your answer to the nearest whole number, if necessary.