In June, an investor purchased $250$ shares of Oracle $($an information technology company$)$ stock at $$65$ per share. In August, she purchased an additional $270$ shares at $$90$ per share. In November, she purchased an additional $270$ shares at $$80.$ What is the weighted mean price per share?

Note: Round your answer to $2$ decimal places.

$\backslash$table$[[$Weighted mean price,$$,25\mathrm{.}73,$per share$]]$