The track team needs new uniforms. The students plan to sell plush toy bears ​(the school​ mascot) for​ $5 each. The students find three companies​ on-line that sell stuffed mascots. Company A sells 15 bears for ​$43.05. Company B sells 16 bears for ​$46.24. Company C charges ​$34.20 for 12 bears. Which company has the best​ buy?