A shop purchased some tennis rackets at ＄$$150$$ each. It then sold them at ＄$$175$$ each. How much did the shopkeeper earn for $$10$$ rackets? 
选项为:A:＄$$150$$  B:＄$$200$$  C:＄$$250$$  D:＄$$300$$  请回答其中一个选项.