During the first quarter of $2015,$ Toronto Dominion Bank $($TD$)$ stock cost $$45$ per share and was expected to yield $4\%$ per year in dividends, while CNA Financial Corp. $($CNA$)$ stock cost $$40$ per share and was expected to yield $2\mathrm{.}5\%$ per year in dividends. If you invested a total of $$29,050$ in these stocks and expected to earn $$868$ in dividends in a year, how many shares of each stock did you purchase?

TD stock shares

CNA stock shares

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 $$53,000$ in these stocks and earned $$2,845$ in dividends in a year, how many shares of each stock did you purchase? $($Assume the dividend rate was unchanged for the year.$)$