In April $2011,$ Consolidated Edison $($ED$)$ stock cost $$50$ per share and yielded $5\%$ per year in dividends, while National Grid $($NGG$)$ stock cost $$50$ per share and yielded $6\%$ per year in dividends.$$ If you invested a total of $$53,000$ in these stocks and earned $$2,850$ in dividends in a year, how many shares of each stock did you purchase? $($Assume the dividend rate was unchanged for the year.$)$

ED shares

NGG shares